Mary pays $72 for sand. If the cost per pound is $0.45, how many pounds did she purchase?

Mary purchased 160 pounds of sand

Step-by-step explanation:

$72÷$0.45=160

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  14 d3 b141.75 $

2* (7d9 b84$   )

14 d18 b168 $

14 d3  b141.75 $

/(18-3)b168-141.75=26.25 $

                      15 b= 26.25$

 one bag of popcorn= 26.25/15=1.75 $

7 d9b=9*1.75=15.75 $84  $

7d+15.75$=84$

7d=84-15.75=68.25

one drink costs = 68.25/7=9.75≅9.8 $

Step-by-step explanation: