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05-04-2017
Mathematics

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Will pick brainlyest help me plz 15 pts Morgan sold 500 raffle tickets for a fundraiser. Tickets for children cost $1.50, and tickets for adults cost $2.50. Morgan sold $1100 worth of raffle tickets. How many adult raffle tickets did Morgan sell? Enter your answer in the box. [ ]adult tickets

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Аноним Аноним

05-04-2017

1.50x + 2.50y = 1100
x+y=500

1.50x+2.50y=1100
-1.50(x+y)=-1.50(500)

1.50x+2.50y=1100
-1.5x-1.5y=-750

y=350

350 adult raffle tickets

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