A truck driver must complete a 180-mile trip in 4 hours. If he average 50 miles an hour for the first three hours of his trip, how fast must he travel in the final hour?
Created: 6 years ago |
Updated: 2 years ago
best des
d = s x t
= 50 x 3
= 150
now distance left
= 180 - 150
= 30
thus he need s to travel 30 miles in 4th hour thus his speed should be 30 miles per hour
Md Azizur Rahman
Founder of Satt
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