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| | The New Kid Join Date: Jan 2008
Posts: 9
|  curious about my answers :
01-30-2008
i'm curious about my answer, before i turn it in. if any, i well very please. thank you so much
1. suppose your are 1 of 4 equal-share heir to the jones estate. however, 12% of your inheritance must be paid for taxes. if end up keeping $30,800 after taxes, what was the value of the jones estate? My answers: of what i solve
2566.6
34496
3696
27014 2. the luckie family bought a home in 2002. By 2003, its value increased by 20%. By 2004, its value increased by another $50,000 and was sold for $614,000. how much money did the luckie family pay home when they bought it? My answer: of what i solve
514,000
714,000
162,87 3. if you leave $41,220 in saving account and the interest rate is 2.8% per year, what would the amount in the account be at the end of one year? my answer: of what i solve
1440 4. if 13.2 pounds of rice can be purchased for $4.12, how many pounds of rice can be purchased for $15(round to the nearest tenth) ? my answer: of what i solve
2.1 again thank you |
 | | | 3.0 GPA Join Date: Jun 2007 Location: Around
Posts: 2,579
| 
01-30-2008
Yeah Those look right to me, but I am not the greatest at math. |
| | | Freshman Bully Join Date: Jun 2007 Location: Konneticut
Posts: 800
|
01-30-2008
They look ok. I didn't write out all of the equations however. They just look correct using basic mental math.
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AIM: Spelchek45 | Gt: iDaSanyy Be Different. |
| | | Freshman Bully Join Date: Jun 2007 Location: ha.
Posts: 1,073
|
01-30-2008
Didn't read. Just saying they look good to up my post count
;] jaykay
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Most of them useless delusions.
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| | | Hits on the Teachers Join Date: Aug 2007 Location: South Dakota
Posts: 680
|
01-30-2008
Quote:
Originally Posted by UK4life  3. if you leave $41,220 in saving account and the interest rate is 2.8% per year, what would the amount in the account be at the end of one year? my answer: of what i solve
1440 | I got $1154.16 in interest. And then you add that to the $41,220 you already had and get a final answer of $42,374.16...
__________________ Quote:
Originally Posted by Xeraxes Wait why is it tips and tricks? What would be a trick? "Sword cancel a teacher and he'll give you an A?" | Member Count on January 8th, 2008:
1,628
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| | | Paper bags lunch to school Join Date: Jan 2008 Location: Euless, Tx
Posts: 248
|
01-30-2008
Quote:
Originally Posted by TheMaker420 I got $1154.16 in interest. And then you add that to the $41,220 you already had and get a final answer of $42,374.16...
[/center] | yeah this guy is right, that's the answer i was telling you in your other thread because its asking for the final amount not the interest gained. |
| | | Paper bags lunch to school Join Date: Jan 2008 Location: Euless, Tx
Posts: 248
|
01-30-2008
Quote:
Originally Posted by UK4life i'm curious about my answer, before i turn it in. if any, i well very please. thank you so much
1. suppose your are 1 of 4 equal-share heir to the jones estate. however, 12% of your inheritance must be paid for taxes. if end up keeping $30,800 after taxes, what was the value of the jones estate? My answers: of what i solve
2566.6
34496
3696
27014 2. the luckie family bought a home in 2002. By 2003, its value increased by 20%. By 2004, its value increased by another $50,000 and was sold for $614,000. how much money did the luckie family pay home when they bought it? My answer: of what i solve
514,000
714,000
162,87 3. if you leave $41,220 in saving account and the interest rate is 2.8% per year, what would the amount in the account be at the end of one year? my answer: of what i solve
1440 4. if 13.2 pounds of rice can be purchased for $4.12, how many pounds of rice can be purchased for $15(round to the nearest tenth) ? my answer: of what i solve
2.1 again thank you | I like math, and I'm bored so here it goes... (turns out all your answers were wrong or am I just wrong...?)
1. $30,800 is his share after 12% in taxes so it's 88% of the before taxes... so 30,800/.88 = $35000 before taxes. 4 heirs x 35,000 per heir = $140,000. Answer in bold.
2. You work backwards. 2004 they sold it for $614,000. That year it had increased $50,000 so:
614,000 - 50,000 = $564,000.
It was $564,000 after increasing by 20% so... 564,000/1.2 = $470,000
Note: You can check these answers by reworking the problem forwards!
Check - $470,000 house increases by 20% so 470,000 x 1.20 = 564,000 plus 50,000 = $614,000
3. easy easy... $41,200 x 1.028 = $42,374.16
4. if 13.2 pounds of rice can be purchased for $4.12, how many pounds of rice can be purchased for $15(round to the nearest tenth) ?
13.2 pounds of rice = $4.12
How much per each pound of rice? 4.12/13.2 = $.312121 per pound of rice
So you have $15 to buy some rice... 15/.312121 = 48.06 pounds of rice (rounded from 48.0582524)
How do you get 2.1 pounds for $15 when $4.12 can buy 13.2 pounds...? You can look at it and tell it's over 3 times more rice since 15 is more than 3 times 4.12. A faster and possibly more accurate way to solve is setting up proportions (keep what's on top/bottom consistent for each):
4.12/13.2 = 15/x
Cross multiply : 4.12x = 198
198/4.12 = 48.1 pounds (rounded from 48.0582524)
Last edited by Fsunka; 01-30-2008 at 10:34 PM.
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| | | The New Kid Join Date: Jan 2008
Posts: 9
|
01-31-2008
For number #3 i was using the interest rate format: A = P( A is amount, P percent, and B is the base) B 100
For number # 4- My bad i know : solve it wrong, today this morning i solve it again and came up with the same answer. my bad lol
but anyways thanks |
| | | Paper bags lunch to school Join Date: Jan 2008 Location: Euless, Tx
Posts: 248
|
01-31-2008
Quote:
Originally Posted by UK4life For number #3 i was using the interest rate format: A = P( A is amount, P percent, and B is the base) B 100
For number # 4- My bad i know : solve it wrong, today this morning i solve it again and came up with the same answer. my bad lol
but anyways thanks | np i think the right formula is
interest = principal x rate (percent/100) x time (in years)
then add that to principal to get the total |
| | | Never does his homework Join Date: Jul 2007 Location: Australia
Posts: 1,534
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01-31-2008
The only one I could possibly do was the last one, and I'm sure that is correct. |
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