LunaGear LunaGear

27-11-2018
Mathematics

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

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rossolillemicha rossolillemicha

27-11-2018

Answer: 4%

Step-by-step explanation: 450 * 7 * i = 126

3150 i = 126

i = 126/3150

i = 0.04

0.04 = 4%

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