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24 Oct 2017, 01:50
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
73% (02:25) correct
27%
(02:38)
wrong
based on 130
sessions
History
Date
Time
Result
Not Attempted Yet
A bus uses one gallon of gasoline to travel 15 miles. After a tune-up, the bus travels 15% farther on one gallon. How many gallons of gasoline (to the nearest tenth) will it take for the bus to travel 150 miles after a tune-up?
(A) 8.5
(B) 8.7
(C) 8.9
(D) 9.0
(E) 10.0
(A) 8.5
(B) 8.7
(C) 8.9
(D) 9.0
(E) 10.0
24 Oct 2017, 02:20
Kudos
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15% of 15 miles = 2.25
Bus travels 2.25 more per gallon after tune up. I.e Bus travels 17.25 in 1 lit.
To travel 150 miles, it will need = 150/17.25 = 8.695... which can be rounded to 8.7
Answer: B
Bus travels 2.25 more per gallon after tune up. I.e Bus travels 17.25 in 1 lit.
To travel 150 miles, it will need = 150/17.25 = 8.695... which can be rounded to 8.7
Answer: B
30 Oct 2017, 07:48
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Bookmarks
Hi, I would like to understand if there is an logical approach to arrive at the solution without having to perform the long division. What do you think?
Thanks a lot
Thanks a lot
