Question
A fantasy book costs thrice as much as a stapler. Olivia paid $4.20 for 2 books and 1 stapler. Find the cost of 1 stapler. Give your answer in dollars.
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A fantasy book costs thrice as much as a stapler. Olivia paid $4.20 for 2 books and 1 stapler. Find the cost of 1 stapler. Give your answer in dollars.