Tires are $60each,30% discount for 6 pair or more,cost of replacing tires on 5 cars,no spares?

20 x 60 = 1200





1200 x .3 = 360





1200 - 360 = 840|||5 cars have 20 wheels which means we need 10 pairs of tires. At a 30% discount, a pair of tires is .7*60=$47.60.





So 10 pair cost $476.00|||Regular pricce for the 20 tires is 60*20 = $1200


With 30% off,the cost is .7(1200) = $840