SOLUTION: Carol drove to a resort 146 miles from her home. She averaged 54 mph for the first part of her trip and 46 mph for the second part. If her total driving time was 3 hours, how long
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Question 1050696: Carol drove to a resort 146 miles from her home. She averaged 54 mph for the first part of her trip and 46 mph for the second part. If her total driving time was 3 hours, how long did she travel at each rate?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
D = rt
54t + 46(3hr-t) = 146mi
8t = 146- 138
8t = 8
t = 1hr, time at 54mph, 2hr at 46mph
Checking
54mi + 92mi = 146mi CHECKS!
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