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

Question 110542: Sally bought three chocolate bars and a pack of gum and paid $1.75. Jake bought two chocolate bars and four packs of gum and paid $2.00. Find the cost of a chocolate bar and the cost of a pack of gum
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let call the cost of the chocalate bar C.
Let's call the cost of a pack of gum G.
From Sally,
1.
From Jake,
2.
Let's use equation 1 to solve for G in terms of C.
1.
Subtract 3C from both sides

Now substitute this value into equation 2.
2.

From above,

So the chocolate costs $0.50 and the gum cost $0.25.
Check your answers.
1.

True statement.
2.

True statement.
Both answers lead to true statements.
Good answers.
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