Friday
April 18, 2014

Homework Help: Ratios of Similar Figures

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

1. Write the following ratio in simplest form: 32 min : 36 min

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

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