Ratios, Proportions, and Percentages Flashcards
7 cards from real BMST practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Ratios, Proportions, and Percentages flashcards as text
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?
Answer: 4.5
Multiply 3 × 1.5 = 4.5 cups of flour.
A car travels 150 miles using 5 gallons of gas. At the same rate, how many gallons are needed to travel 270 miles?
Answer: 9
Set up the proportion 150/5 = 270/x, giving x = 270 × 5 / 150 = 9 gallons.
What is 35% of 200?
Answer: 70
35% × 200 = 0.35 × 200 = 70.
A class has 18 boys and 12 girls. What is the ratio of girls to the total number of students?
Answer: 2:5
Total = 30; girls to total = 12:30 = 2:5.
If 40% of a number is 56, what is the number?
Answer: 140
56 / 0.40 = 140.
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?
Answer: 87.5 miles
3.5 × 25 = 87.5 miles.
A price increased from $80 to $100. What is the percent increase?
Answer: 25%
(100 − 80) / 80 × 100 = 20/80 × 100 = 25%.