Q:

Jack and Jim went biking. Jack biked for 5 1/3 hours with average speed 12 1/2 miles per hour. Jim traveled exactly 1 1/5 as far as Jack did. How long was Jim’s trip?

Accepted Solution

A:
Answer:jim traveled 80 milesStep-by-step explanation:how far did jack traveld =rtd = 12 1/2 miles per hour * 5 1/3 hourschange to improper fractions12 1/2 = (2*12 + 1 /)  2 = 25/25 1/3 = (3*5+1) /3  = 16/3
d = 25/2 * 16/3 = 25/3 * 16/2 = 25/3 *8 =200/3 miles
jim traveled 1 1/5 times as farchange this to an improper fraction1 1/5 =  (5*1+1) /5 = 6/5jim = jack * 6/5jim = 200/3 * 6/5      200/5 * 6/3       40 * 2      80jim traveled 80 miles