ABLE Problem Solving 2 — Questions and Answers
Question 1: A store sells notebooks for $3 each. If a student buys 4 notebooks and pays with a $20 bill, how much change should they receive?
- $7
- $8 (Correct answer)
- $12
- $17
Correct answer: $8
4 notebooks × $3 = $12; $20 − $12 = $8 change.
Question 2: A bus departs at 9:15 AM and arrives at 11:45 AM. How long is the trip?
- 2 hours
- 2 hours 15 minutes
- 2 hours 30 minutes (Correct answer)
- 3 hours
Correct answer: 2 hours 30 minutes
From 9:15 AM to 11:45 AM is exactly 2 hours and 30 minutes.
Question 3: If a recipe requires 2½ cups of flour for 12 cookies, how many cups are needed to make 36 cookies?
- 5 cups
- 6 cups
- 7½ cups (Correct answer)
- 9 cups
Correct answer: 7½ cups
36 ÷ 12 = 3; 3 × 2½ = 7½ cups.
Question 4: A tank holds 120 gallons of water. A pump drains it at 8 gallons per minute. How many minutes will it take to empty the tank?
- 12
- 15 (Correct answer)
- 16
- 20
Correct answer: 15
120 ÷ 8 = 15 minutes to empty the tank.
Question 5: Maria scored 78, 85, 90, and 83 on four tests. What is her average score?
- 83
- 84 (Correct answer)
- 85
- 86
Correct answer: 84
(78 + 85 + 90 + 83) ÷ 4 = 336 ÷ 4 = 84.
Question 6: A rectangular garden is 15 feet long and 8 feet wide. What is its perimeter?
- 23 feet
- 46 feet (Correct answer)
- 120 feet
- 56 feet
Correct answer: 46 feet
Perimeter = 2 × (15 + 8) = 2 × 23 = 46 feet.
Question 7: If a worker earns $14 per hour and works 35 hours in a week, what is the total weekly pay before taxes?
- $420
- $455
- $490 (Correct answer)
- $560
Correct answer: $490
14 × 35 = $490 total weekly earnings.
A store sells notebooks for $3 each.
If a student buys 4 notebooks and pays with a $20 bill, how much change should they receive?