Weekly Problem 36 - 2012

Challenge Level: Challenge Level:1

Let the number of Boys in Group 1 be x. The number of girls in Group 1 is therefore 40-x. and the number of girls in group 2 is 33 ? (44 ?x) = x ? 7.

There are therefore 7 fewer girls in group 2 than boys in group 1.

If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.

This problem is taken from the UKMT Mathematical Challenges.

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