Alg. I Proportions & Ratios
  • 1. Solve 3/7 = x/28
A) 24
B) 21
C) 12
D) 10
  • 2. Solve 3/5 = 15/x
A) -25
B) 15
C) 21
D) 25
  • 3. Solve x/18 = 12/72
A) 4
B) 3
C) 6
D) 5
  • 4. 32/x = 4/17
A) 136
B) 137
C) 135
D) 134
  • 5. Find the unit rate for 282 passengers in 47 cars
A) 8
B) 0.16
C) 7
D) 6
  • 6. Find the unit rate for 600 calories for 8 servings
A) 2.13
B) 70
C) 0.13
D) 75
  • 7. You peel 3 potatoes in 5 minutes. At this rate, how long will it take you to peel 10 potatoes?
A) 15 minutes
B) 6 minute
C) 16.6 minutes
  • 8. A bush is 30in tall and casts a shadow 8 in long. A nearby tree casts a shadow of 48 inches. How tall is the tree?
A) 180 inches
B) 20 inches
C) 12.8 inches
D) 200 inches
  • 9. The scale on a map is 1in : 333mi. the map distance from Chicago to Tokyo is 12 inches. Find the actual distance between the cities.
A) 2,843 miles
B) 27.75 miles
C) 26 miles
D) 3,996 miles
  • 10. Write the ratio 33 to 8 in two other ways
A) 33/8 & 8/33
B) 33:8 & 8:33
C) 33/8 & 33:8
D) 8/33 & 8:33
  • 11. Write the ratio 14/18 in simplest form.
A) 1/2
B) 4/8
C) 9/7
D) 7/9
  • 12. Solve x/1 = 24/2
A) 12
B) 1/2
C) 1/12
D) 2
  • 13. Find the unit rate: run 2.3 km in 7 min
A) 2km/min
B) 3km/min
C) 1.33km/min
D) 0.33km/min
  • 14. Find the unit rate: earn $36.00 in 4 hours
A) $9.00/h
B) $12.00/h
C) $2.00/h
D) $6.00/h
  • 15. The ratio of teachers to students in a middle school is 2 to 25. There are 350 students in the school. Find the number of teachers.
A) 26
B) 25
C) 27
D) 28
  • 16. Write the ratio 8/2 in simplest form.
A) 1/1
B) 1/4
C) 4
D) 4/1
  • 17. In August, your electric bill was $25.32 for 450 kw. At this rate, what would be a bill for 240 kw?
A) $40.31
B) $13.50
C) $14.50
D) $23.21
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