SOLUTION: please help me solve this problem and explain using g-r-e-s-a a pencil, a notebook and a bag cost 100 pesos. a notebook is 15 pesos more than the price of a pencil and a bag is

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Question 978197: please help me solve this problem and explain using g-r-e-s-a
a pencil, a notebook and a bag cost 100 pesos. a notebook is 15 pesos more than the price of a pencil and a bag is 25 pesos more than the price of a pencil. What is the price of the notebook?

Answer by rfer(16322)   (Show Source): You can put this solution on YOUR website!
pencil=x
notebook=x+15
bag=x+25
x+x+15+x+25=100
3x=100-40
x=60/3
x=20
x+15=35
x+25=45

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