Maria earned $126 in simple interest from her savings account. If she invested $450 for 7 years, what was the interest rate? 4% 4.5% 3.5% 5%

asked Mar 26, 2017 67.8k views

4 votes

Maria earned $126 in simple interest from her savings account. If she invested $450 for 7 years, what was the interest rate?

4%

4.5%

3.5%

5%

8.4k points

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2 votes

4% will be the answer

Tbogatchev answered Mar 29, 2017

7.4k points

5 votes

answer is 4%

450 * 7 * i = 126
3150 i = 126
i = 126/3150
i = 0.04

0.04 = 4%

SamuelN answered Mar 30, 2017

8.3k points

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