SOLUTION: Two cars leave City A at the same time to travel to City B. One car travels at 72km/h and the other at 78 km/h. If the slower car arrives 20 minutes after the faster car, how far a
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Question 326912: Two cars leave City A at the same time to travel to City B. One car travels at 72km/h and the other at 78 km/h. If the slower car arrives 20 minutes after the faster car, how far apart are City A and City B?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Rate*Time=Distance
.
.
.
kph
kph
Car A,
Convert from minutes to hrs to be consistent with speed.
minutes= hr
1.
.
.
.
Car B,
2.
.
.
Substitute eq. 2 into eq. 1,
km
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