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uptowngirl92
 
 

*What is the total number of integers between 100 and 200 ..

by uptowngirl92 Fri Jan 09, 2009 11:29 pm

What is the total number of integers between 100 and 200 that are divisible by 3?

(A) 33

(B) 32

(C) 31

(D) 30

(E) 29
Phill
 
 

by Phill Sat Jan 10, 2009 3:58 am

First, find the first and last integer between 100 and 200 that are divisible by 3.

102 and 198. Then find the number of integers between these two numbers, inclusive, that are divisble by 3.

198 - 102 = 96

96 / 3 = 32 integers that are divisible by 3.

But, add one before you're done since it's inclusive.

32 + 1 = 33

Answer is A
JonathanSchneider
ManhattanGMAT Staff
 
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Re: What is the total number of integers between 100 and 200 ..

by JonathanSchneider Fri Feb 13, 2009 2:53 pm

Can you please cite the source?