advanced system of equations

 

Janice bought 30 items each priced at 30 cents, 2 dollars, or 3 dollars. If her total purchase price was $48.00, how many 30-cent items did she purchase?     

 

               10 @ 0.30  =    3.00     

               15 @ 2.00  =  30.00     

                 5 @ 3.00  =  15.00     

totals       30 items         48.00 dollars     

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