SOLUTION: Lauren is jogging to the store at 10 mph. She gets what she needs and returns home at 5 mph. Her total jogging time was one hour. How far is the store from her house? I need a

Question 534314: Lauren is jogging to the store at 10 mph. She gets what she needs and returns home at 5 mph. Her total jogging time was one hour. How far is the store from her house?

I need an equation...I don't understand how to do this...
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = time to go from house to store in hrs
= time to go from store to house in hrs
--------
House to store:
(1)
Store to house:
(2)
---------------
Substitute (1) into (2)
(2)
(2)
(2)
(2)
(2) hr
and, from (1):
(1)
(1)
The distance from store to house is 3.333 mi
check:
(2)
(2)
(2)
and
(1)
(1)
(1)
OK
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