BMST Ratios, Proportions, and Percentages 2 — Questions and Answers
Question 1: A recipe calls for 3 cups of flour and 2 cups of sugar. If you want to make 1.5 times the recipe, how many cups of flour do you need?
- 3.5
- 4
- 4.5 (Correct answer)
- 5
Correct answer: 4.5
Multiply 3 × 1.5 = 4.5 cups of flour.
Question 2: A car travels 150 miles using 5 gallons of gas. At the same rate, how many gallons are needed to travel 270 miles?
- 7
- 8
- 9 (Correct answer)
- 10
Correct answer: 9
Set up the proportion 150/5 = 270/x, giving x = 270 × 5 / 150 = 9 gallons.
Question 3: What is 35% of 200?
- 60
- 65
- 70 (Correct answer)
- 75
Correct answer: 70
35% × 200 = 0.35 × 200 = 70.
Question 4: A class has 18 boys and 12 girls. What is the ratio of girls to the total number of students?
- 2:3
- 2:5 (Correct answer)
- 3:5
- 1:3
Correct answer: 2:5
Total = 30; girls to total = 12:30 = 2:5.
Question 5: If 40% of a number is 56, what is the number?
- 112
- 120
- 130
- 140 (Correct answer)
Correct answer: 140
56 / 0.40 = 140.
Question 6: A map uses a scale of 1 inch : 25 miles. Two cities are 3.5 inches apart on the map. What is the actual distance?
- 75 miles
- 80 miles
- 87.5 miles (Correct answer)
- 90 miles
Correct answer: 87.5 miles
3.5 × 25 = 87.5 miles.
Question 7: A price increased from $80 to $100. What is the percent increase?
- 20%
- 22%
- 25% (Correct answer)
- 30%
Correct answer: 25%
(100 − 80) / 80 × 100 = 20/80 × 100 = 25%.
BMST Ratios, Proportions, and Percentages 2
A recipe calls for 3 cups of flour and 2 cups of sugar.
If you want to make 1.5 times the recipe, how many cups of flour do you need?