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A coffee shop sells bags of coffee for a regular price of 


 per bag. Kevin bought some bags and used a coupon for 


 off his entire purchase. After applying the coupon, he paid 


. How many bags of coffee did he buy? 

 Mar 30, 2018

Let the entire purchase amount be the number of bags he bought, B,  times the price per bag


So   B*8  =  the entire purchase price


From  this ...he subtracts  $10     and pays $30


So  we have this



B*8  -  10  =  30       add 10 to both sides


B*8  =  40        divide both sides by 8


B  = 5  bags



cool cool cool

 Mar 30, 2018

Thanks. I might need helpin likeasec so ya

Guest Mar 30, 2018

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