document.write( "Question 410654: If you give a salesperson $20 for a purchase and recieve change. Use your function to find function to find the amount of change from a $4.50 purchase. \n" ); document.write( "

Algebra.Com's Answer #288809 by richard1234(7193) $\"\"$ $\"About$

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If the amount of change is given by C = 20 - p, then from a $4.50 purchase you would get C = 20 - 4.50 = $15.50 in change. \n" ); document.write( "

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