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A class has 100 students. There are 3 different room that the students reside in. From 1st Period to 2nd period 1/2 the students from room A move to room B. 1/5 the students in room B move to room C. 1/3 the Students in room C move to room A. How many students are in each room?

 Jun 10, 2014

Best Answer 

 #1
avatar+130466 
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A class has 100 students. There are 3 different room that the students reside in. From 1st Period to 2nd period 1/2 the students from room A move to room B. 1/5 the students in room B move to room C. 1/3 the Students in room C move to room A. How many students are in each room?

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So 50 students move to Room B.  And 10 of these move to Room C. But 1/3 of 10 is about 3 (if we round to the nearest whole number).

So there 53 students in A, 40 in B  and 7 in C.

 Jun 10, 2014
 #1
avatar+130466 
+5
Best Answer

A class has 100 students. There are 3 different room that the students reside in. From 1st Period to 2nd period 1/2 the students from room A move to room B. 1/5 the students in room B move to room C. 1/3 the Students in room C move to room A. How many students are in each room?

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So 50 students move to Room B.  And 10 of these move to Room C. But 1/3 of 10 is about 3 (if we round to the nearest whole number).

So there 53 students in A, 40 in B  and 7 in C.

CPhill Jun 10, 2014

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