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3 years ago

15

Add, subtract, multiply, or divide. Round answers to money problems to the nearest cent. Show how you solved these four problems

below:
1) $7.94 2)$ 5.37
- 4.56 + 1.92
———— ————

3) $ 1.25 4) 0.8 divided by
x 0.04 9.6
————

1 answer:

Katena32 [7]3 years ago

7 0

Answer:

The formatting on this is a little weird but if I'm reading it correctly:

1) 3.38

2) 7.29

3) 0.05

4) 0.42

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Answer:

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Step-by-step explanation:

Recall that increasing an amount C in x% is equivalent to multiply it by (1+x/100)

As we have 4% APR, the monthly interest would be (4/12)% = 0.04/12

<u>Month 0</u> (first payment)

$250

Month 1

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<u>Month 2</u>

$250(1+\frac{12.04}{12}+(\frac{12.04}{12})^2)$

<u>Month 3</u>

$250(1+\frac{12.04}{12}+(\frac{12.04}{12})^2+(\frac{12.04}{12})^3)$

<u>Month 24 (2 years)</u>

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