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Kay [80]
3 years ago
6

katelyn invested $2325 in a savings account which earns 3.45% interest compounded monthly. What will the account be worth in 7 y

ears?
Mathematics
1 answer:
Airida [17]3 years ago
8 0
$2959

Use the compound interest formula. 
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let's start with variables and an equation.

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and we know that boys and girls make up the class. so let's add the two expressions.

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BUT x is only the number of BOYS in the class. so we have to find girls now. let's plug in our value of x into the girls' equation.

2x - 12 = # of girls

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let's check our answer!

68 + 40 does in fact add to 108, therefore our answer is correct.

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