Question

A local business rents computer time for a $5 setup charge and $0.30 per minute the computer is used

Write an equation to represent the cost of using the computer for a given amount of
Us
time in minutes. Define your variables.

How much does 30 minutes of computer time cost?

Answer 1

`c = 0.3m + 5`

define the variables:

c is the cost and m is minutes

It costs $14

Explanation:

`c = 0.3m + 5`

To solve for cost substitute 30 in for m

`c = 0.3(30) + 5`

multiply

`c = 9 + 5`

add

`c = 14`