SOLUTION: a backpack costs three times as much as a notebook. together they cost $36. find the cost for each

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Question 872764: a backpack costs three times as much as a notebook. together they cost $36. find the cost for each
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
x + 3x = $36
4x = $36
x = $9, cost of the notebook. backpack costs $27