It is 170 miles from Bruce's house to the city where his brother lives. On his last trip to visit his brother, he drove for 2 hours at 55 miles per hour. Then he came to some very bad road construction. The rest of the trip took 2 hours. How many miles per hour did Bruce drive for the rest of the trip?
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Answer:
30 miles per hour
Step-by-step explanation:
55×2=110 distance covered in first 2 hours
remaining miles 170-110=60
bruce took 2 hours to cover remaining 60 miles
60/2=30 miles per hour
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