SOLUTION: Teens rode her skateboard to her uncle’s house, 12 miles away. A wheel broke just as she arrived, so Rena borrowed her uncles bicycle to return home. Traveling by bicycle she was a

Algebra ->  Equations -> SOLUTION: Teens rode her skateboard to her uncle’s house, 12 miles away. A wheel broke just as she arrived, so Rena borrowed her uncles bicycle to return home. Traveling by bicycle she was a      Log On


   



Question 1115698: Teens rode her skateboard to her uncle’s house, 12 miles away. A wheel broke just as she arrived, so Rena borrowed her uncles bicycle to return home. Traveling by bicycle she was able to go twice as fast and returned home in 2 hours less time than it took to go to her uncles house. How long did it take reena to get home on the bicycle
Answer by ikleyn(52798) About Me  (Show Source):
You can put this solution on YOUR website!
.
Let x be the time "to there".


Then the time back is  {{x/2}}}.


The condition says  x - x%2F2 = 2,   or, equivalently,

x%2F2 = 2,  which implies  x = 4.


Answer.  Time "to there" is 4 hours.  Time back is 2 hours.