Homework Help: math

Posted by Sally on Monday, March 14, 2011 at 4:01pm.

5 hockey pucks and three hockey sticks cost $23.
5 hockey pucks and 1 hockey stick cost $20. How much
does 1 hockey puck cost?

math - Reiny, Monday, March 14, 2011 at 5:20pm
p --- cost of hockey stick
s --- cost of hockey stick

5p + 3h = 23
5p + h = 20

subtract the two equations, it is easy after that.

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