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Home Q & A Board Science-Related Homework Help Mathematics
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_biology _biology
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11 years ago
I am not telling whoever is viewing this question to do my homework. I am asking you to solve this one problem. I have many others like this. Can you tell me the answer and the steps to getting the answer. Here is the problem... During the first 6 month of last year, the interest on an investment was $130 less than during the second 6 months. The total interest for the year was $1,450. What was the interest for each 6-month period? Please and Thank You:)
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wrote...
#1
11 years ago
x=1st 6 mos     x
y=last 6 mos    x+130

x+(x+130)=1,450 drop the parentheses
x+x+130=1450
2x+130=1450 subtract 130 from both sides
2x=1320  divide both sides by 2
x=660

1st 6 mos= 660 dollars
2nd 6 mos = 790 dollars   (660+130)
Answer accepted by topic starter
Toni K.Toni K.
wrote...
#2
Posts: 70
Rep: 1 0
11 years ago
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