Ian invests $13,670 in a savings account at his local bank which gives 1.9% simple annual interest. He also invests $6,040 in an online savings account which gives 4.5% simple annual interest. After nine years, which one will have earned more interest, and how much more interest will it have earned, to the nearest dollar? a. The local account will have earned $7,521 more interest. b. The local account will have earned $3,199 more interest. c. The online account will have earned $3,090 more interest. d. The online account will have earned $109 more interest.

Question

Mathematics

Jaylen Spencer

29 November, 09:41

Ian invests $13,670 in a savings account at his local bank which gives 1.9% simple annual interest. He also invests $6,040 in an online savings account which gives 4.5% simple annual interest. After nine years, which one will have earned more interest, and how much more interest will it have earned, to the nearest dollar? a. The local account will have earned $7,521 more interest. b. The local account will have earned $3,199 more interest. c. The online account will have earned $3,090 more interest. d. The online account will have earned $109 more interest.

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Answers (1)

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Eaton · Answer 1

The formula says

I=prt

I Interest earned

P principle

R interest rate

T time

The interest earned of local account

13,670*0.019*9

=2,337.57

The interest earned of online account

6,040*0.045*9

=2,446.2

The difference

2,446.2-2,337.57

=109

So the answer is d