Related Questions

Mr. Walker travels a miles in b hours and then c miles in d hours. How many hours will be needed to travel 500 miles if he maintains this average rate?
A 500/a+c
B 500(b+d)/a+c
C a +c/500(b +d)
D 500/b +d
when a truck travels at 60 miles per hour, it uses 30 percent more gasoline to travel andy distance than it does when it travels at 50 miles per hour. The truck can travel 20 miles on a gallon of gas if it is travelling at 50 miles per hour. The truck has only 10 gallons of gas and is 160 miles from its destination. It takes 20 minutes for the truck to stop for gas . How long will it take the truck to reach its final destination if it is driven at 60 miles per hour?
A 160 minutes
B 180 minutes
C 190 minutes
D 192 minutes
On a trip of 200 miles, a man travels at the rate of 40 miles per hour for the first 100 miles. For the rest of the trip, he travels at the rate of 55 miles per hour . What is his average speed, in miles per hour, for the total trip ?
A 400/9
B 200/9
C 90
D 50
A car goes 15 miles on a gallon of octane when it is driven at 50 miles per hour. When the car is driven at 60 miles per hour, it only goes 80% as far. How many gallons of octane is needed to travel 200 miles if half the distance is traveled at 50 miles per hour and the rest at 60 miles per hour?
A 13.33
B 16.67
C 10.6
D 15
A man travels 100 miles at 20 miles per hour, 60 miles at 30 miles per hour and 80 miles at 10 miles per hour, what is his average rate for the three trips?
A 18 miles per hr
B 17 miles per hr
C 20 miles per hr
D 16 miles per hr
A train travels at an average speed of 50 miles per hour for 2.5 hour, and then travels at an average speed of 70 miles per hour for 1.5 hours. How far did the train travel in the entire 4 hour?
A 200 miles
B 230 miles
C 150 miles
D 300 miles
Jamal covered a distance of 340 miles between ciry A and B taking a total of 5 hours. If part of the distance was covered at 60 miles per hours speed and the balance at 80 miles per hour speed, how many hours didhe travel at 60 miles per hour?
A 2
B 2.5
C 3
D None
A man travel 6 miles east wards, then turns right and travels 3 miles further, turns right again and travels 2 miles. How far is he form the starting point?
A H5N1
B H8N1
C B5F2
D N4F2
A man travel 6 miles east wards, then turns right and travels 3 miles further, turns right again and travels 2 miles. How far is he from the starting point
A 5 miles
B 3 miles
C miles
D 2 miles
A man travel 6 miles cast wards, then turns right and | travels 3 miles further, turns right again and travels 2 miles. How far he from the starting point?
A 5 miles
B 3 miles
C 4 miles
D 2 miles

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