Question 883417
Their speeds are r and r+7, in miles per hour.
The distance traveled for each in the 2 hours are r*2 and (r+7)*2.


The distance are part of a right triangle, so Pythagorean Theorem will relate the three distances.


{{{(2r)^2+(2(r+7))^2=34^2}}}
Solve for r.  Find r+7.