This document contains 30 math word problems testing foundations concepts like rates, proportions, percentages, and percent change. The problems can be solved by setting up and solving proportions, finding unit rates, calculating percentages, or determining percent change between two amounts. Key information includes rates, costs, percentages, initial and final amounts, and measurements involved in rate and percent problems.

1. Foundations - Chapter 4 Test
1. Find the unit rate for number of parts manufactured per hour if 584 parts are made in 5 hours. Round to the nearest
integer.
2. A 32-oz bottle of water costs $1.60. What is the cost per ounce?
3. Find the unit rate for number of parts manufactured per hour if 1505 parts are made in 3 hours. Round to the
nearest integer.
Solve the proportion.
4. 8.
9.
5.
10.
6.
11.
7.
The pair of figures is similar. Find x. Round to the nearest tenth if necessary.

2. 23 cm
12 cm
12.
x 21 cm
Drawing not to scale
30 cm
11 cm
13.
x 22 cm
Drawing not to scale
8 ft
14. x
7 ft 3 ft
Drawing not to scale
19 ft
15. x
10 ft 3 ft
Drawing not to scale
16. A tree casts a shadow 12 ft long. A boy standing next to the tree casts a shadow 3.5 ft. long. If the boy is 6 ft. tall,
how tall is the tree?

3. 17. A building casts a shadow 25 ft long. A girl standing next to the tree casts a shadow 3.2 ft. long. If the girl is 5.6 ft.
tall, how tall is the building?
18. What percent of 50 is 12?
19. What percent of 105 is 70?
20. 60% of 55 is what number?
21. What is 74% of 222?
22. 35% of what number is 49?
23. What is 38% of 80? Estimate the answer.
24. What is 130% of 40?
25. What is 0.65% of 600?
26. The circulation of a magazine decreased from 5100 to 3450. Find the percent of decrease in circulation.
27. Find the percent of change in altitude if an airplane moves from 70 ft to 196 ft. Describe the percent of change as
an increase or decrease.
28. During the month of February, Walmart sold 50 pairs of red loafers. After an ad campaign to boost sales, they sold
64 pairs in March. Find the percent of increase in sales.
29. The cost of a newsletter decreased from 5400 to 3330. Find the percent of decrease in cost to the nearest percent.
30. Find the percent of change in altitude if a weather balloon moves from 50 ft to 140 ft. Describe the percent of
change as an increase or decrease. Round to the nearest tenth if necessary.