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LamboWalker
Joined: 06 Jun 2021
Last visit: 06 Sep 2026
Posts: 238
GMAT Focus 1: 675 Q86 V81 DI83 
GMAT Focus 2: 735 Q90 V85 DI84 
GMAT 1: 690 Q48 V35
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Difficulty:
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Question Stats:
94% (01:32) correct
6%
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wrong
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If Benny read for 3 hours and t minutes at an average rate of 36 pages per hour, which of the following represents the number of pages that he read?
(A) \(36t\)
(B) \(36 + t\)
(C) \(36 + 5t\)
(D) \(108 + \frac{3t}{5}\)
(E) \(108 + \frac{t}{5}\)
(A) \(36t\)
(B) \(36 + t\)
(C) \(36 + 5t\)
(D) \(108 + \frac{3t}{5}\)
(E) \(108 + \frac{t}{5}\)
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Posts: 37
36 pages in 1hr, therefore 108 in 3hrs..
Now in t mins = 0.6t(36/60 * t) which gives --> 3t/5
So, 108 + 3t/5, D
Posted from my mobile device
Now in t mins = 0.6t(36/60 * t) which gives --> 3t/5
So, 108 + 3t/5, D
Posted from my mobile device
GMAT 1: 800 Q51 V51
Posts: 2,167
If Benny read for 3 hours and t minutes at an average rate of 36 pages per hour, which of the following represents the number of pages that he read?
We have to deal with 3 hours and with t minutes.
Scanning the answer choices, we see that, in most of them, we have first an integer number of pages and then an expression involving t. This information confirms that, to find the correct answer, we will likely have to calculate two parts, an integer and an expression involving t.
To calculate those two parts, we can first multiply 36 pages per hour times 3 hours.
36 × 3 = 108
Then, for the expression involving t, we have to keep in mind that t is a number of minutes. So, since Benny's 36-page rate is a per hour, i.e., per 60 minutes, rate, the number of pages read in t minutes will be \(36 × \frac{t}{60} = \frac{6t}{10} = \frac{3t}{5}\).
So, the correct answer is \(108 + \frac{3t}{5}\).
(A) \(36t\)
(B) \(36 + t\)
(C) \(36 + 5t\)
(D) \(108 + \frac{3t}{5}\)
(E) \(108 + \frac{t}{5}\)
Correct answer: D
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We have to deal with 3 hours and with t minutes.
Scanning the answer choices, we see that, in most of them, we have first an integer number of pages and then an expression involving t. This information confirms that, to find the correct answer, we will likely have to calculate two parts, an integer and an expression involving t.
To calculate those two parts, we can first multiply 36 pages per hour times 3 hours.
36 × 3 = 108
Then, for the expression involving t, we have to keep in mind that t is a number of minutes. So, since Benny's 36-page rate is a per hour, i.e., per 60 minutes, rate, the number of pages read in t minutes will be \(36 × \frac{t}{60} = \frac{6t}{10} = \frac{3t}{5}\).
So, the correct answer is \(108 + \frac{3t}{5}\).
(A) \(36t\)
(B) \(36 + t\)
(C) \(36 + 5t\)
(D) \(108 + \frac{3t}{5}\)
(E) \(108 + \frac{t}{5}\)
Correct answer: D
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Posts: 609
Total pages read = (3 + t/60) * 36 = 108 + 3t/5
Answer: D
Answer: D
LamboWalker
average rate of 36 pages per hour,
Time of reading = 3 hours and t minutes
so pages in 3 hours = 36*3 = 108
pages in t minutes = (36/60)*t = (3/5)*t
Total Pages = \(108 + \frac{3t}{5}\)
Answer: Option D
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LamboWalker
Fair to say the hurdle in this question is how to deal with "t minutes". It's relatively easy to deal with the "3 hours" part since it can be directly multipled with 36 pages per hour.
Basically, "t minutes" can be expressed as (t/60) hours. If you find it a little difficult to notice this, try substituting t minutes with 5 minutes and seeing how 5 minutes is equal to (5/60) hours.
Step 1) (3 + t/60) 36
Step 2) 108 + 36t/60
Step 3) 108 + 3t/5
(D) is your answer.
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