SOLUTION: Cathy ran for 30 min at the rate of 5.5 mi/h. Then she ran for 15 min at a rate of 6 mi/h. How many miles did she run in all?

Algebra ->  Conversion and Units of Measurement -> SOLUTION: Cathy ran for 30 min at the rate of 5.5 mi/h. Then she ran for 15 min at a rate of 6 mi/h. How many miles did she run in all?      Log On


   

Question 485654: Cathy ran for 30 min at the rate of 5.5 mi/h. Then she ran for 15 min at a rate of 6 mi/h. How many miles did she run in all?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
If Cathy ran for 30+min=0.5h at a rate of 5.5+mi%2Fh, she will run 5.5+%28mi%2Fh%29%2A0.5h=5.5%2A0.5mi=2.75mi

Then she ran for 15+min=0.25h at a rate of 6+mi%2Fh,she will run %286+mi%2Fh%290.25h=6%2A0.25mi=1.5mi

Then the total amount of miles she ran was 2.75mi%2B1.5mi=4.25mi in all.