ABLE Problem Solving 3 — Questions and Answers
Question 1: A car travels 240 miles using 8 gallons of gas. How many miles per gallon does it get?
- 25
- 28
- 30 (Correct answer)
- 32
Correct answer: 30
240 ÷ 8 = 30 miles per gallon.
Question 2: A shirt originally costs $60 and is on sale for 25% off. What is the sale price?
- $15
- $35
- $40
- $45 (Correct answer)
Correct answer: $45
25% of $60 = $15 discount; $60 − $15 = $45 sale price.
Question 3: A box contains red and blue marbles. There are 12 red marbles and the ratio of red to blue is 3:2. How many blue marbles are there?
- 6
- 8 (Correct answer)
- 10
- 18
Correct answer: 8
If red:blue = 3:2 and red = 12, then blue = 12 × (2/3) = 8.
Question 4: A classroom has 5 rows of desks with 6 desks in each row. If 4 desks are empty, how many students are seated?
- 24
- 26 (Correct answer)
- 30
- 34
Correct answer: 26
5 × 6 = 30 total desks; 30 − 4 = 26 students seated.
Question 5: A train travels 180 miles in 3 hours. At the same speed, how far will it travel in 5 hours?
- 250 miles
- 270 miles
- 300 miles (Correct answer)
- 360 miles
Correct answer: 300 miles
Speed = 180 ÷ 3 = 60 mph; 60 × 5 = 300 miles.
Question 6: If 3 pens cost $4.50, how much do 7 pens cost?
- $9.50
- $10.00
- $10.50 (Correct answer)
- $11.00
Correct answer: $10.50
One pen = $4.50 ÷ 3 = $1.50; 7 × $1.50 = $10.50.
Question 7: A square room has a perimeter of 48 feet. What is its area?
- 12 square feet
- 96 square feet
- 144 square feet (Correct answer)
- 192 square feet
Correct answer: 144 square feet
Each side = 48 ÷ 4 = 12 feet; area = 12 × 12 = 144 square feet.
ABLE Problem Solving 3
A car travels 240 miles using 8 gallons of gas.
How many miles per gallon does it get?