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Band students at East Middle School sell candy every year as a

fundraiser. Last year, they sold 100 boxes of truffles and 94 boxes of

peanut brittle, raising a total of $776. This year, they sold 85 boxes of

truffles and 94 boxes of peanut brittle, from which they raised $716. How

much does the band earn from each item?

 
 Jun 8, 2021
 #1
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We  have  this system

 

100 T  +  94 PB  = 776             (1)

85 T  +   94 PB   =  716   ⇒  -85 T   -  94 PB   =  - 716       (2)

 

Add  (1)  and (2)

 

15 T  =  60

T =  60 / 15    =   $4  a box for truffles

 

And

 

100 (4)  +  94 PB   =  776

400  +  94 PB  =  776

94 PB  =  776 - 400

94 PB  =  376

PB  =  376  / 94    =  $4  a box for peanut brittle

 

 

cool cool cool

 
 Jun 8, 2021

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