PI Numerical Word Problems 3 — Questions and Answers
Question 1: A car rental company charges $35 per day plus $0.20 per mile. If a customer rents for 3 days and drives 150 miles, what is the total charge?
- $115
- $135 (Correct answer)
- $125
- $105
Correct answer: $135
3×$35 = $105; 150×$0.20 = $30; total = $105 + $30 = $135.
Question 2: A project requires 120 hours of work. Two employees split the work equally. If one works 6 hours per day, how many days will it take her to finish her share?
- 8 days
- 10 days (Correct answer)
- 12 days
- 15 days
Correct answer: 10 days
Her share = 120÷2 = 60 hours; 60÷6 = 10 days.
Question 3: A savings account earns simple interest at 4% per year. If $2,500 is deposited, how much interest is earned after 3 years?
- $200
- $300 (Correct answer)
- $400
- $150
Correct answer: $300
Simple interest = 2500×0.04×3 = $300.
Question 4: A box contains 5 red, 3 blue, and 2 green pens. If pens are sold at $1.50 each and all are sold, what is the total revenue?
- $12.00
- $15.00 (Correct answer)
- $10.50
- $18.00
Correct answer: $15.00
Total pens = 5+3+2 = 10; 10×$1.50 = $15.00.
Question 5: A school has 480 students. 60% participate in after-school clubs. Of those, 25% join the math club. How many students are in the math club?
- 60
- 72 (Correct answer)
- 80
- 96
Correct answer: 72
480×0.60 = 288 in clubs; 288×0.25 = 72 in math club.
Question 6: A cyclist rides at 18 km/h for 2.5 hours, then at 12 km/h for 1.5 hours. What is the total distance traveled?
- 54 km
- 63 km (Correct answer)
- 72 km
- 45 km
Correct answer: 63 km
18×2.5 = 45 km; 12×1.5 = 18 km; total = 63 km.
Question 7: If 8 printers can print 1,600 pages per hour, how many pages can 5 printers print in 45 minutes?
- 750 pages (Correct answer)
- 1,000 pages
- 900 pages
- 600 pages
Correct answer: 750 pages
Rate per printer = 1600÷8 = 200 pages/hr; 5 printers = 1000 pages/hr; in 45 min = 1000×0.75 = 750 pages.
PI Numerical Word Problems 3
A car rental company charges $35 per day plus $0.20 per mile.
If a customer rents for 3 days and drives 150 miles, what is the total charge?