Homework Help: math

Posted by esha on Monday, April 11, 2011 at 9:17pm.

abby has 8 sports cards. she has either hockey or football cards she has 4 more hockey cards than football cards. how many football cards does she have?

math - PsyDAG, Tuesday, April 12, 2011 at 11:01am
H = F + 4

H + F = 8

Substitute F+4 for H.

F + 4 + F = 8

2F = 4

F = 2

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