Question

bob drove 120 miles on his vacation .he drove an average of 1.2 times faster on the second 60 miles of his tripe than he did on the first 60 miles of his trip.which expression represents the time he spent driving ?let x= his speed in the first half of the trip.

Answer 1

(60/x) + (60/1.2x) = time
(60/x) + (50/x) = time
110/x = time