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Carmen spent a total of $19.50 at a concession stand on snacks for herself and her friends hamburgers cost $3.50 and hotdogs cost 225 if you bought a total of seven snacks how ma…
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Carmen spent a total of $19.50 at a concession stand on snacks for herself and her friends hamburgers cost $3.50 and hotdogs cost 225 if you bought a total of seven snacks how ma…
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May 6, 2018
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Carmen spent a total of $19.50 at a concession stand on snacks for herself and her friends hamburgers cost $3.50 and hotdogs cost 225 if you bought a total of seven snacks how many hotdogs did she buy
Mathematics
middle-school
Michaelavila
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hb=3.5, hd=2.25, hb+hd=7,
From the third, we can say hb=7-hd and we are told that:
3.5hb+2.25hd=19.5 using hb found above in this equation gives you:
3.5(7-hd)+2.25hd=19.5
24.5-3.5hd+2.25hd=19.5
-1.25hd=-5
hd=4
Carmen bought 4 hotdogs.
Abronan
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May 13, 2018
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