Homework Help: math

Posted by Rinoa on Tuesday, September 21, 2010 at 5:17pm.

"Mahpee was selling magazine subscriptions. He earned $5 plus $0.50 for each subscription he sold. If Mahpee earned $25, use the equation 25=5 + 0.50n to find the number of subscriptions n he sold." How do I figure this out??

math - bobpursley, Tuesday, September 21, 2010 at 5:19pm
25=5+.50n

subtract 5 from each side.
multiply both sides by 2

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