90 minutes = 1.5 hours.
Divide total miles driven by the time to find how many miles are driven in 1 hour:
250 miles / 1.5 hours = 166 2/3 miles per hour.
Multiply the miles driven in one hour by 6 hours:
166 2/3 x 6 = 1000 miles
Answer:
y(3y - 4)
Step-by-step explanation:

Both have y.
Factor y out of 

If you divide 2.3 by 1.15 to find out how much greater it is, the answer is 2.
Answer:
1:00 hr
Step-by-step explanation: