Tuesday
October 21, 2014

Homework Help: Math for Ms. Sue Or Steve

Posted by Jman on Wednesday, November 14, 2012 at 1:42pm.

Use an equation to solve the problem.

1. What is 57% of 11?

a. 11 = 0.57 n; 19.3
b. n = 57 11; 627
c. n = 0.57 11; 6.27***
d. 11 = 57 n; 0.19

2. 224 is 25% of what number?

a. 224 0.25 = w; 560
b. 224 = 0.25 w; 896
c. 224 0.25 = w; 56***
d. 224 = 0.25 w; 90

3. What is 45% of 10?

a. 450
b. 45
c. 4.5***
d. 0.45

Find the percent of increase.

4. 50 to 70

a. 20%***
b. 30%
c. 40%
d. 50%

Find the percent of decrease. Round your answer to the nearest tenth of a percent where necessary.

5. 75 to 60

a. 20%
b. 30%
c. 40%
d. 50%***

Find the percent markup. Round to the nearest whole percent.

6. Store's cost: $100.00
Selling price: $160.00

a. 50%
b. 60%***
c. 70%
d. 80%

Find the sale price. Round to the nearest cent.

7. Sale price: $57.63
Percent of discount: 10%

a. $63.39
b. $5.76
c. $51.87
d. $57.53***

Find the sale price. Round to the nearest cent.

8. Sale price: $56.00
Percent discount : 40%

a. $50.00
b. $22.40***
c. $40.00
d. $33.60

9. Find the interest earned in an account with $600.00 invested at 4.5% annual simple interest for 2 years.

a. $540.00
b. $5,400.00
c. $54.00***
d. $13.50

10. Find the interest earned by an account with $1,200 of simple interest of 4% for 3 years.

a. $144.00
b. $244.00
c. $44.00
d. $88.00***

*** mean my answers

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