Homework Help: math

Posted by anne on Saturday, May 28, 2011 at 12:36pm.

Sunae's group of close friends are going to fifth grade in September. All are going to Belleview Elementary and their homerooms will be rooms 12, 14, or 16. All of her friends but 4 are going to room 12, all but 4 are going to room 14, and all but 4 are going to room 16. Not counting Sunae, how many children are in her group of close friends?

math - MathMate, Saturday, May 28, 2011 at 10:46pm
Hint:
Try to see if 2 friends to each of rooms 12, 14 and 16 works.
math - Anonymous, Wednesday, February 15, 2012 at 7:29am
12
math - Ethan, Thursday, February 16, 2012 at 6:16pm
Ok idk haah post if u like this coment
math - Doc, Thursday, February 21, 2013 at 7:54am
The answer is 6.

The rooms could just have well been labeled A, B, C.
6-4=2 Room A
6-4=2 Room B
6-4=2 Room C

2+2+2=6

or since all but 4 are going into each room, the 4 going into other rooms are split equally into 2 and 2.

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