1985 AJHSME Problem 13
Revision as of 20:53, 31 January 2021 by Coolmath34 (talk | contribs) (Created page with "== 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...")
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
Distance is equal to rate multiplied by time:
![\[d = \frac{45}{60} \cdot 4 + \frac{30}{60} \cdot 10 = \boxed{8}.\]](http://latex.artofproblemsolving.com/1/4/d/14dc9b0fee61d322a782528c39619e3acdd06fd1.png)
The answer is 
