SOLUTION: Leah and Ryanne went for a bike ride into the country. They averaged 24 miles per hour on the way out and 18 miles per hour on the way back, by the same roads. Their total travel

Algebra ->  Expressions-with-variables -> SOLUTION: Leah and Ryanne went for a bike ride into the country. They averaged 24 miles per hour on the way out and 18 miles per hour on the way back, by the same roads. Their total travel      Log On


   



Question 100613: Leah and Ryanne went for a bike ride into the country. They averaged 24 miles per hour on the way out and 18 miles per hour on the way back, by the same roads. Their total travel time was 7 hours. How far did they go?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
X/24+X/18=7
(4X+3X)/72=7
7X/72=7 NOW CROSS MULTIPLY.
7X=7*72
X=7*72//7
X=72 MILES FOR THE TOTAL TRIP.
PROOF
72/24+72/18=7
3+4=7
7=7