Solving Proportions
Word Problems
General
100

1/4 = x/20

x=5

100

A bag of 5 apples costs $3.75. What is the cost per apple?

5/3.75 = 1/x

x=$0.75

100

Who wrote Hamlet?

Shakespeare

200

20/14 = 10/x

x=7

200

5 movie tickets cost $45. How much would 8 tickets cost?

5/45=8/x

x=$72

200

What organism makes bread rise?

Yeast

300

8/x = 88/22

x=2

300

A baker uses 6 cups of flour to bake 3 loaves of bread. How much flour is needed for 10 loaves?

6/3=x/10

x=20 c u p s

300

What country's capital is Lima?

Peru

400

7/9=(c+20)/9

What is -13

400

A tank can be filled with 500 gallons of water in 4 hours. How much water is filled per hour?

500/4=x/1

x=125 g a l

400

What element's symbol is Mg?

Magnesium