Question

At Rafael's auto shop, it takes him 15 minutes to do an oil change and 24 minutes to do a tire change. Let x be the number of oil changes he does. Let y be the number of tire changes he does. Using the values and variables given, write an inequality describing how many oil changes and tire changes Rafael can do in less than an hour (60 minutes).

Answer 1

Answer:

• 5x + 8y < 20

Step-by-step explanation:

Oil change

• Time = 15 min
• Number = x

Tire change

• Time = 24 min
• Number = y

Time limitation = 60 min

Required inequality:

• 15x + 24y < 60

Simplified

• 5x + 8y < 20