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27-03-2018
Mathematics

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Sam typed 420 words in 10 minutes if he continues to type at his rate how many words will he have typed in 3 hours
A. 756
B.1,260
C.2,520
D.7,560

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27-03-2018

Solution-

420/10= 42

42 words per min

42*180= 7560

Answer-
At this rate Sam will be able to type 7,560 words in 3 hours.

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