Proportions Quiz

A 24lb bag of dog food sells for $10.56. What is the unit price per pound?

42¢

48¢

44¢

50¢

Flowers can be purchased in bunches of 4 for $2.48 or 6 for $3.96. Which is the better buy?

They both have the same unit rate

4 for $2.48 is the better buy

6 for $3.96 is the better buy

Neither of them are better than the other

A tree was 3.5 feet tall years and 8.75 feet tall after 5 years. If the tree grew at a constat rate, how tall was it after 3 years?

r = 5.25ft.

r = 6.8ft.

r = 4.3ft.

R = 5ft.

What value of (b) makes the proportion 4/5 = b/20 true?

B = 18

B = 12

B = 14

B = 16

An isosceles triangle has two sides that are each 4.5 centimeters long and a base that is 3 centimimeters long. A similar traingle has a base that is 1.5 centimeters long. How long are each of the other two sides of the similar triangle?

2.25cm.

2.5cm.

2cm.

2.8cm.

A panoramic photograph is 4 inches wide and 10 inches long. The photograph needs to be enlarged so that its width is 10 inches. What will be the lenth in inches of the enlarged photograph?

25in.

22cm.

27cm.

20cm.

An equilateral triangle has a perimeter of 18 centimeters. If the triangle is dilated by a factor of 0.5, what is the length of each side of the new triangle?

3cm.

5cm.

1cm.

8cm.

A square has a side length of 4.8 feet. If the square is dilated by a factor of 4, what is the length of a side of the new square? What is its perimeter? What is its area?

Length = 19.2ft. perimeter = 76.8ft. area = 368.64ft.

Length = 18.7ft. perimeter = 78.5ft. area = 361.53ft.

Length = 20.5ft. perimeter = 73.3t. area = 365.32ft.

Length = 17.4ft. perimeter = 75.29ft. area = 363.98ft.

Proportions Quiz

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