SOLUTION: If Gregory if traveling 40 mph and left home an hour before Alyssa, how long will it take Alyssa to catch up to Gregory if Alyssa is going 50 mph?
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Question 705304: If Gregory if traveling 40 mph and left home an hour before Alyssa, how long will it take Alyssa to catch up to Gregory if Alyssa is going 50 mph?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
D=RT
D=40T GREGORY
D=50(T-1)
40T=50(T-1)
40T=50T-50
40T-50T=-50
-10T=-50
T=-50/-10
T=5 HOURS FOR GREGORY.
5-1=4 HOURS FOR ALYSSA.
PROOF:
40*5=50*4
200=200
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