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kpkanupriyakhmi
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Page613 Q32 5 LB

by kpkanupriyakhmi Sat Mar 28, 2015 12:28 pm

After completing a speed training, Alyosha translates Russian literature into English at a rate of 10 more than
twice as many words per hour as he was able to translate before the training. If he was previously able to
translate 10 words per minute, how many words can he now translate in an hour?
(A) 30
(B) 70
(C) 610
(D) 1,210
(E) 1,800
Didn't understand this explanation since I adopted this method only:-
Note that you would not want to start by working with the rate per minute. If you did so, you’d get 10 + 2(10) =
30 words/minute, then 30 × 60 = 1,800 words/hr. You would get this inflated number because you added an
additional 10 words per minute instead of per hour. This is another reason to perform your conversions right
away!
n00bpron00bpron00b
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Re: Page613 Q32 5 LB

by n00bpron00bpron00b Sun Mar 29, 2015 11:46 am

Before the training Alyosha used to translate 10 words per minute
10 words per minute
600 words per 60 mins (1 hour)
1 hour = 600 words

After training -
10 more than twice as many words per hour as he was able to translate before the training


We are supposed to add the "10" to the final value after 1 hour and then double it. The inflation is because you are adding that 10 to the final value after every 1 minute and not 1 hour and then doubling it.

The excess that every minute brings about shoots up the final value.

2 * (600) + 10 = 1200 + 10 = 1210
tommywallach
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Re: Page613 Q32 5 LB

by tommywallach Mon Mar 30, 2015 6:48 pm

Great explanation, Noob!