Linear Word Problems

Front

Which situation is described by the equation y = -25x + 120? Options: 1. 120 people in a stadium, 25 entering each hour. 2. Plumber charges $25 for a call, $120 per hour. 3. Teacher has 120 students, 25 in third period. 4. 120 gallons in a tank, releases 25 gallons per minute.

Back

120 gallons in a tank, releases 25 gallons per minute.

Front

Equation for total cost (C) of towing for m miles: $50 flat fee + $8 per mile.

Back

C = 8m + 50

Front

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y? Options: y=15x, y=15x+80, y=x+15, y=80x+15

Back

y=15x+80

Front

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat. Write an equation for C, the total cost, to rent the boat for h hours.

Back

C = 2h + 15

Front

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

Back

y=15x+80

Front

Easy Car Rental charges $8.50 an hour plus a rental fee of $25.50. Which equation represents the total charges for x hours? Options: y = 8.5 + 25.5, y = 25.5 + 8.5x, y = 8.5 + 25.5x

Back

y = 25.5 + 8.5x

Front

A man is climbing down from 100 feet high descending 30 feet per minute. What is the equation?

Back

y = - 30x + 100

Front

Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage. If Juanita uses x minutes of airtime, what is an equation for her monthly cell phone bill (C)?

Back

C = 15 + 0.20x

Front

Jenny went to the sale at Kohl's last weekend. T-shirts were on sale for $15 each and hoodies were on sale for $20 each. If she spent $150 total, write an equation to represent this situation. Options: 20x + 15 = y, 35x = y, 15x + 20y = 150, 150 - 20x = 15y

Back

15x + 20y = 150

Front

Write a linear equation to model the following:
You want to buy desserts, ice-cream is $2.50 per scoop and puppychow is $4 per bag and you want to spend $20.

Back

2.50x+4y=20