Simple Interest Answers

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1
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Maggie is considering two investments. Investment AInvestment BPrincipal$10,000$8,000Interest rate3%2.8%Time in years515 Which investment will be worth more at the end of the investment period?

A
Investment A will be worth more because the interest rate is lower than the interest rate for investment B.
B
Investment A will be worth more because the total of the principal and the interest earned for investment A is greater than the same total for investment B.
C
Investment B will be worth more because the length of time is greater than the length of time for investment A.
D
Investment B will be worth more because the total of the principal and the interest earned for investment B is more than the same total for investment A.
2
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Which term is a word for a fee that is paid for the use of another person’s money?

A
time
B
principal
C
interest
D
interest rate
4

Mrs. Sing invests $12,876 for her business at an annual interest rate of 7 percent for 3 years. Which number will Mrs. Sing substitute for r in the simple interest formula?

Question illustration
A
0.007
B
0.07
C
0.7
D
7
5

Mara found the length of time of an investment. The principal of the investment was $4,300, the interest rate was 6.2 percent, and the interest was $2,666. Mara made an error in her work.What was Mara’s error?

Question illustration
A
Mara did not substitute the values from the problem into the formula correctly.
B
Mara did not multiply correctly.
C
Mara did not divide correctly.
D
Mara divided when she should have multiplied.
7

Constance will put $500 in a savings account. Which option should she choose so that she will have the most money?

A
1 year at 12 percent
B
1 year at 9 percent
C
2 years at 7 percent
D
2 years at 5 percent
8

LaShea would like to invest her $100 in birthday money. Which option will give her the most money at the end of the investment period?

A
1 year at 8 percent
B
1.5 years at 7 percent
C
2 years at 6.5 percent
D
3 years at 4 percent
10

The following information is known about a loan.Time = 8 yearsInterest rate = 14%Principal = $1,010What is the total amount of simple interest that is earned?

A
$113.20
B
$1,131.20
C
$11,311.20
D
$113,112.00

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