SOLUTION: Kerry is training for a bike race that will take place next month. On saturday she rode her bike 113 miles in a practice race. Kerry rode part of the race at an average speed of 23

Algebra ->  Inequalities -> SOLUTION: Kerry is training for a bike race that will take place next month. On saturday she rode her bike 113 miles in a practice race. Kerry rode part of the race at an average speed of 23      Log On


   

Question 1101383: Kerry is training for a bike race that will take place next month. On saturday she rode her bike 113 miles in a practice race. Kerry rode part of the race at an average speed of 23 miles per hour, and she averaged 1 miles per hour for the remaining part of the race. If it took Kerry 6 hours to finish the practice race, how much time did she spend riding at a rate of 23 miles per hour?
A.5 hr
B.1 hr
C.19 hr
D.2 hr
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
              SPEED        TIME         DISTANCE

RODE             23           x           23x

REMAINING         1          6-x        1*(6-x)

Total                         6           113

23x%2B6-x=113
-
22x=113-6
22x=107
x=107%2F22
x=4%2619%2F22

About 4 hours 52 minutes