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September 22, 2014

September 22, 2014

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

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

- Math for Ms. Sue Or Steve -
**Jman**, Wednesday, November 14, 2012 at 1:46pmPlease check my answers.

- Math for Ms. Sue Or Steve -
**Ms. Sue**, Wednesday, November 14, 2012 at 1:50pmYou have a lot of studying to do.

Your answers for 2, 4, 5, 7, 8, and 10 are wrong.

- Math for Ms. Sue Or Steve -
**Jman**, Wednesday, November 14, 2012 at 1:59pmWhy is 2 wrong? i came up as a answer 56.

- Math for Ms. Sue Or Steve -
**Ms. Sue**, Wednesday, November 14, 2012 at 2:04pm2. 224 is 25% of what number?

We're looking for a much larger number. Think: one dollar is 25% of 4 dollars

0.25w = 224

w = 224/0.25

w = 896

- Math for Ms. Sue Or Steve -
**Jman**, Wednesday, November 14, 2012 at 2:05pmOh.....

- Math for Ms. Sue Or Steve -
**Steve**, Wednesday, November 14, 2012 at 2:06pm224 is 25% of what number

you are told that 224 is 1/4 of a number. The number must be 4 times as big as 224.

56 is 1/4 of 224

224 is 1/4 of 896

algebraically,

224 = .25 x

224/.25 = x

x = 896

it always helps to write down each step, then check your answer.

you answered the question

"25% of 224 is what?"

not "225 is 25% of what?"

- Need math help from steve or ms sue -
**Jman**, Wednesday, November 14, 2012 at 2:07pmCan you or Steve help me with the others.

- Math for Ms. Sue Or Steve -
**Ms. Sue**, Wednesday, November 14, 2012 at 2:09pmJman -- you first need to show us that you've gone back and really studied your math text. Try these problems again, and explain why you did what you did.

- Math for Ms. Sue Or Steve -
**Jman**, Wednesday, November 14, 2012 at 2:11pmI have an Online textbook not hardcover. It takes forever to get to the right page.

- Math for Ms. Sue Or Steve -
**Ms. Sue**, Wednesday, November 14, 2012 at 2:21pmYou and your parents chose this school and text; I didn't.

Now, get to work and learn what you're supposed to learn.

- Math for Ms. Sue Or Steve -
**Jman**, Wednesday, November 14, 2012 at 2:31pmI don't have parents. :(

- Math for Ms. Sue Or Steve -
**steven segrist**, Thursday, November 15, 2012 at 9:41amim stuck on this too

- Math for Ms. Sue Or Steve -
**Anonymous**, Friday, December 14, 2012 at 7:52pmcool steven your emo

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