Question

A parking garage at the airport charges $20.00 for the first day. Each additional day after the first day costs $8.00 more. So parking for 2 days costs $28.00,

parking for 3 days costs $36.00, parking for 4 days costs $44.00, etc. How much will it cost to park a car in the garage for 21 days?

Answer 1

After 21 days the cost will be $ 188

Answer 2

Explanation:

20+8x=cost

20+8(21)=cost

188 is your cost after 21 days