Question

Jim began a 281-mile bicycle trip to build up stamina for a triathlete competition. Unfortunately, his bicycle chain broke, so he finished the trip walking. The whole trip took 7 hours. If Jim walks at a rate of 3 miles per hour and rides at 43 miles per hour, find the amount of time spent on the bicycle.

Answer 1

37b was amount time biking. His distance walked was 3 times open parenthesis 7 minus b close parenthesis. Total distance was 208 miles. 37b+3 multiplied by open parenthesis seven minus b close parenthesis equals 208. Then all you have to do is solve for b

Explanation: