SOLUTION: A subway travels 23 kilometers in 18 minutes. At the same rate, how many kilometers will the subway travel in 1 1/2 hours

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Question 220998: A subway travels 23 kilometers in 18 minutes. At the same rate, how many kilometers will the subway travel in 1 1/2 hours
Found 3 solutions by Alan3354, rfer, checkley77:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
1.5 hours = 90 minutes
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90 is 5 times 18, so it'll go 5 times as far
23*5 = 115 km

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(23/18)(90)=115km

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
23/(18/60)=x/1.5
18x/60=23*1.5
18x/60=34.5
18x=34.5*60
18x=2070
x=2070/18
x=115 kilos. can be traveled in 1.5 hours.