For a sale, a store decreases its price on all items by 20%. an item costs $ 120 before the sale now costs $120-0.2($120). whats another expression for the sale price.

How far from the average mileage is any one of these values, on average? or, in more technical terms, what is the average of the absolute value of the variations of the mileages? for the purposes of this problem, we will call this result the uncertainty in the mileages. answer in units of mph. your answer must be within ± 0.1 mph.