November 26, 2015

Homework Help: Algebra

Posted by lizzie on Monday, August 8, 2011 at 11:22pm.

Do I have the right answer?

A store owner bought a machine that laminates cards. the machine cost $1000. Each laminated item costs the owner $.50, but he charges the customers $4.00 per item. how many cards must be laminated and sold before the owner makes a profit from the machine?
a. 133
b. 223
c. 285
d. 286

Answer- b

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