Question

Yesterday, Linda went on a bike ride. Her average speed was 8 miles per hour. Today, she went on another ride, this time averaging 14 miles per hour. In the

two days, she biked for a combined total time of 11 hours.
Let be the number of hours she biked yesterday. Write an expression for the combined total number of miles she biked in the two days.

Answer 1

below

Explanation:

x be the miles for first day

y be the miles for 2nd day

8 miles in 1 hr

so x miles will be x/8

14 miles In 1 hr

so y miles will be y/14

x/8 + y/14 = 11