Question

Easy math 2 pictures

Answer 1

See below

Explanation:

x = hours

Payless charges = 50 + 60x

Squad charges = 80 + 50x when are they equal ?

50 + 60x = 80 + 50x

x = 3 hours

Surface area = 2 * ( 10 *5 + 5*3 + 3*10) = 190 ft^2