SOLUTION: Sally brought three chocolate bars and a pack of gum and paid $1.75. Jake brought two chocolate bars and four packs of gum and paid $2.00 Find the cost of the chocolate bar and

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Question 107609: Sally brought three chocolate bars and a pack of gum and paid $1.75. Jake brought two chocolate bars and four packs of gum and paid $2.00
Find the cost of the chocolate bar and the cost of a pack of gum

Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!
3c+g=175 ... g=175-3c

2c+4g=200 ... substituting gives 2c+4(175-3c)=200 ... 2c+700-12c=200 ... -10c=-500

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