Numerical Word Problems Flashcards

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?

Answer: $135

3×$35 = $105; 150×$0.20 = $30; total = $105 + $30 = $135.

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?

Answer: 10 days

Her share = 120÷2 = 60 hours; 60÷6 = 10 days.

A savings account earns simple interest at 4% per year. If $2,500 is deposited, how much interest is earned after 3 years?

Answer: $300

Simple interest = 2500×0.04×3 = $300.

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?

Answer: $15.00

Total pens = 5+3+2 = 10; 10×$1.50 = $15.00.

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?

Answer: 72

480×0.60 = 288 in clubs; 288×0.25 = 72 in math club.

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?

Answer: 63 km

18×2.5 = 45 km; 12×1.5 = 18 km; total = 63 km.

If 8 printers can print 1,600 pages per hour, how many pages can 5 printers print in 45 minutes?

Answer: 750 pages

Rate per printer = 1600÷8 = 200 pages/hr; 5 printers = 1000 pages/hr; in 45 min = 1000×0.75 = 750 pages.