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maggie's class bought three books at the book fair. The books cost $15, $9 and $12. Use parentheses to write two different expressions and find how much the class spent in all.
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maggie's class bought three books at the book fair. The books cost $15, $9 and $12. Use parentheses to write two different expressions and find how much the class spent in all.

User Jason Hoetger
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1. (15+9)+12=36
2.(12+15)+9=36
The class spent $36
User JeffHeaton
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