Aparking garage has spaces for 70 cars and charges each driver $6 per day for parking. if the garage is full, how much more would the garage owner make if he charged $8 per day?

Extra earning of garage = $140 per day

Step-by-step explanation:

A parking garage has spaces for 70 cars and charges each driver $6 per day for parking.

By this charge parking garage earns 70×6 = $420 per day.

If the garage is full and garage owner charges $8 per day then total earning will be = 8×70 = $560

Therefore, extra earning of garage owner will be = $560 - $420 = $140 per day.

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify