Amira invests money in an account paying simple interest. No money is added or removed from the investment. To find the balance after a year, she multiplies her current balance by 1.015 . What percent simple interest does the account earn per year?Answer: ______ %
Q. Amira invests money in an account paying simple interest. No money is added or removed from the investment. To find the balance after a year, she multiplies her current balance by 1.015 . What percent simple interest does the account earn per year?Answer: ______ %
Understand the problem: Understand the problem.Amira's investment grows by a factor of 1.015 in one year. This means that for every dollar invested, she will have $1.015 after one year. The growth factor represents the original amount plus the interest earned.
Determine percent increase: Determine the percent increase that the factor 1.015 represents.Since the original amount is considered to be 100% (or a factor of 1), the growth to 1.015 represents the original amount plus the interest. Therefore, the interest is the growth factor minus 1.Interest factor = 1.015−1=0.015
Convert interest factor: Convert the interest factor to a percentage.To find the percentage, we multiply the interest factor by 100.Percent interest = 0.015×100%= 1.5%
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