1985 AJHSME Problems/Problem 13
Revision as of 21:15, 13 January 2009 by 5849206328x (talk | contribs) (New page: ==Problem== If you walk for <math>45</math> minutes at a rate of <math>4 \text{ mph}</math> and then run for <math>30</math> minutes at a rate of <math>10\text{ mph}</math>, how many mile...)
Problem
If you walk for 
minutes at a rate of 
and then run for 
minutes at a rate of 
, how many miles will you have gone at the end of one hour and 
minutes?
Solution
minutes is 
of an hour, so the walking contributes 
.
Similarly, minutes is 
of an hour, so the running adds 
.
Their total is 
, which is 
