Writing Equations for Linear Word Problems (14)

Front

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

Back

C = 2h + 15

Front

Write an equation for Margaret's salary, S, if she works h hours and earns d dollars in tips.

Back

3h + 0.90d = S

Front

What is an equation that can be used to find the number of miles, m, a vehicle was driven, if the total rental charge was $222.50?

Back

222.5 = 35 + 0.75m

Front

What is the equation to determine Juanita's monthly cell phone bill if she uses x minutes of airtime? The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage.

Back

C = 15 + 0.20x

Front

Lisa went to the mall to do her back-to-school shopping. When she returned, she noticed that the number of shirts (s) she purchased was 3 more than twice the number of pants (p) she bought. What is an equation that can be used to represent the number of shirts Lisa purchased?

Back

s = 3 + 2p

Front

Gracie wants to increase the size of her garden. If A = lw represents the current area of her garden, what is an equation that can be used to represent the resulting area of Gracie's garden if she increases the length by 5 and doubles the width?

Back

A = 2wl + 10w

Front

Norb is a waiter in a diner. He earns $4 per hour plus 95% of his tips. Which equation can be used to determine his salary, S, if he works t hours and earn d dollars in tips?

Back

S = 4t + 0.95d

Front

A rental company at Best Bargain Rental costs $150 a week, plus $0.10 per mile. Which equation represents the relationship between the number of miles (x) and the total cost in dollars (y) for a 2-week period?

Back

y = 2(150) + 0.10x

Front

Ken has $264 in his bank account. He needs to deposit enough money to make his car payment of $189 and still have at least $150 left in his account. Which inequality describes d, the amount of money Ken needs to deposit?

Back

264 - 189 + d ≥ 150

Front

To satisfy local building codes, a rectangular lot must have a perimeter of at least 500 feet before a building can be constructed on it. If L represents the length (in feet) of the lot and W represents its width (in feet), which inequality represents this situation?

Back

2(L + W) ≥ 500