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July 22, 2014

July 22, 2014

Posted by **Jman** on Monday, October 22, 2012 at 2:01pm.

a. 8 : 9

b. 8 : 36

c. 32 :9

d. 128 : 144

2. In a sports equipment locker, there are 81 balls and 45 baseball mitts. Write the ratio of balls to baseball mitts in simplest form.

a. 9 : 5

b. 10 : 18

c. 10 : 5

d. 9 : 18

3. The price of 10 ounces of crackers is $3.00. What is the unit price? Round your answer to the nearest cent.

a. $0.15 per ounce

b. $0.30 per ounce

c. $0.60 per ounce

d. $0.90 per ounce

4. Find the unit rate for the situation.

360 km in 6 h

a. 60 km/h

b. 120 km/h

c. 62 km/h

d. 61 km/h

8. Use cross products to determine which of the following pairs of ratios CANNOT form a porpottion.

a. 1/3 , 3/9

b. 2/3 , 4/9

c. 2/3 , 4/6

d. 1/3 , 2/6

10. Triangle A and Triangle B are similar. The perimeter of Triangle A is 15 m and perimeter of Triangle B is 30 m. What is the scale factor of Triangle B to Triangle A?

a. 1 : 2

b. 2 : 1

c. 3 : 2

d. 4 : 3

- Ratios of Similar Figures -
**Ms. Sue**, Monday, October 22, 2012 at 2:07pm1. a

2. a

I'll be glad to check your answers to the rest of the problems.

- Ratios of Similar Figures -
**Jman**, Monday, October 22, 2012 at 2:10pm3. b

4. a

8. ? Please help me

10. ? Please help me

- Ratios of Similar Figures -
**Ms. Sue**, Monday, October 22, 2012 at 2:17pm3 and 4 are right.

8. Study this site.

http://www.mathsisfun.com/algebra/cross-multiply.html

10. a

http://www.cliffsnotes.com/study_guide/Similar-Triangles-Perimeters-and-Areas.topicArticleId-18851,articleId-18815.html

- Ratios of Similar Figures -
**Jman**, Monday, October 22, 2012 at 2:21pmSooooooooo.....its.............B?

- Ratios of Similar Figures -
**Ms. Sue**, Monday, October 22, 2012 at 2:23pmYes! 8.b

- Ratios of Similar Figures -
**Jman**, Monday, October 22, 2012 at 2:24pmWow! Thank you! :D That was easy! ;) :P :d

- Ratios of Similar Figures -
**Ms. Sue**, Monday, October 22, 2012 at 2:48pm:-) You're welcome.

- Ratios of Similar Figures -
**robert**, Wednesday, October 30, 2013 at 1:52pmis number 5 c?

- Ratios of Similar Figures -
**joel**, Thursday, November 14, 2013 at 1:55pmyes

- Ratios of Similar Figures -
**Anonymous**, Friday, December 6, 2013 at 11:41amThe triangles below are similar. Find the value of x

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