# SOLUTION: How far can a car going 45mph travel in 40 min. Please show your. My book says 30 miles but I can't figure out how they did it. Is it d=r/t Please help, thank you Sophie age 12.

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 Question 205189: How far can a car going 45mph travel in 40 min. Please show your. My book says 30 miles but I can't figure out how they did it. Is it d=r/t Please help, thank you Sophie age 12.Found 2 solutions by rfer, stanbon:Answer by rfer(12678)   (Show Source): You can put this solution on YOUR website!Divide 40 min by 60 min =.6666666 hr 45*.666666=30 mi Answer by stanbon(57424)   (Show Source): You can put this solution on YOUR website!How far can a car going 45mph travel in 40 min. Please show your. My book says 30 miles but I can't figure out how they did it. Is it d=r/t Please help, thank you Sophie age 12. ----- The formula that relates distance, time, and rate is d = rt, not d = r/t. ---------------------------- Your problem: rate = 45 mph ; time = (40/60) = (2/3) hr. -------- Equation: Since d = rt you get: distance = 45*(2/3) miles distance = 15*2 miles distance = 30 miles ============================ Cheers, Stan H.