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05-07-2016
Mathematics

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tickets to a movie cost $9 for each adult and $4.50 for each child. molly purchased 11 tickets for $72. how many adult and how many child tickets did she purchase? molly purchased adult tickets and child tickets.

Respuesta :

05-07-2016

1 adult=$9
? =$72
?= $72× 1=$72
$72÷$9=$8 or R8

1 child=$4.50
? =$72
?=$72×1=$72
$72÷$4.50= R16

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