SOLUTION: Keiko runs 5 miles in 38 minutes. At the same rate, how many miles would she run in 57 minutes?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Keiko runs 5 miles in 38 minutes. At the same rate, how many miles would she run in 57 minutes?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1150628: Keiko runs 5 miles in 38 minutes. At the same rate, how many miles would she run in 57 minutes?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
simple unit conversion

Answer by ikleyn(52775) About Me  (Show Source):
You can put this solution on YOUR website!
.

Use the proportion


    5%2F38 = x%2F57.


From the proportion, get  x = %285%2A57%29%2F38 = %285%2A3%29%2F2 = 2.5*3 = 7.5 miles.   ANSWER



Another way to solve is to notice that 57 is  3%2F2  of 38.


Then the value to answer is  3%2F2  of 5 miles, which is  7.5 miles.

Solved.