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A local boys club sold 176 bags of mulch and made a total of $336. It sold two types of mulch: hardwood for $2.25 a bag and pine bark for $1.75 a bag. How many bags of each kind of mulch did it sell?

 Feb 13, 2020
 #1
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Let the bags of hardwood mulch sold =  x

 

Then the bags of pine bark sold  = 176  - x

 

So  price * bags sold = money made  ......so

 

2.25 (x)   +  1.75 ( 176 - x)  = 336       simplify

 

2.25x + 308 - 1.75x   =  336

 

.50x + 308 = 336      subtract 308 from both sides

 

.50x = 28           divide both sides by .50

 

x = 56  = bags of hardwood sold

 

176 - 56  = 120 = bags of pine bark sold

 

 

cool cool cool

 
 Feb 13, 2020

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