SOLUTION: Two pencils and one pen cost 80 cents, and one pencil and two pens cost $\$1.15$. How many cents would three pencils cost?

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Question 1163094: Two pencils and one pen cost 80 cents, and one pencil and two pens cost $\$1.15$. How many cents would three pencils cost?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Let represent the cost of a pencil. Let represent the cost of a pen. Then,





Solve the 2X2 system for , then calculate


John

My calculator said it, I believe it, that settles it