Question

If c=40+20d c is cost d is days if it costs 240$,how many days would you be renting it for?

Answer 1

The problem is essentially asking us to find
`d` when
`c = 240`. To do this, let's use 240 for
`c` and solve for
`d`.

`240 = 40 + 20d`

• Set up

`200 = 20d`

• Subtract 40 from both sides

`d = 10`

• Divide both sides by 20

You would be renting it for 10 days.