MATH SOLVE

4 months ago

Q:
# Dana enjoys taking her dog for a walk, but sometimes her dog gets away and she has to run after him. Dana walked her dog for 7 miles but then had to run for 1 mile, spending a total time of 2.5 hours with her dog. Her running speed was 3 mph faster than her walking speed. Find her walking speed.

Accepted Solution

A:

Answer:walking=2.801 mph, running=3.2653mphStep-by-step explanation:7x+(x+3)=2.5hr*(60min)7x+(x+3)=150min1mile running take 18.375 min1mile walking take 21.375minx=18.375mph