24KJose 24KJose
  • 03-05-2016
  • Mathematics
contestada

Please help, test review. Need done today

Please help test review Need done today class=

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apologiabiology
apologiabiology apologiabiology
  • 03-05-2016
d=number of drinks
p=number of bags of popcorn

75=6d+8p
100.50=12d+10p

multiply first equation by -2 and add to first
-49.50=-6p
divide -6
8.25=p
sub

100.50=12d+10p
100.50=12d+82.50
minus 82.50
18=12d
divide 12
1.50=d

$1.50 per drink

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