Question 1156426
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bags of chips for  $4 each and bottles of pop for $2.75 each.
A student goes into the grocery store to buy chips and pop. She buys 15 items for
a total of $50.
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{{{system(c+p=15,4c+2.75p=50)}}}


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{{{4(15-p)+2.75p=50}}}---------using substitution, for one equation in one variable...