b. John earned 0 one week and spent 0. What is the ratio of the

amount John saved to the amount John spent?

_______________

c. The ratio of a father's age to his son's age is 9:2. If the son's age is 12

years, what is the age of the father (in years)?

________________

d. If three shirts cost , what is the cost of a dozen shirts at the same rate?

_________________

e. A gallon of paint covers 240 square feet of surface. If a living room contains

906 square feet of paintable surface and a kitchen contains 334 square feet of surface,

what is the number of gallons of paint needed for the living room and kitchen?

_________________

a. 4:3 = 32:W

4W = 3 x 32

4W = 96

W = 24

b. 30:120 = 1:4

c.

2:9 = 12:x

2X = 9 x 12

2X = 108

X = 54

d. 3:23 = 12:X

3X = 23 x 12

3X = 276

X = 92

MD0904

1-46

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