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olga nikolaevna [1]
3 years ago
13

Step 2; he wrote distributive instead of associative hope this helps

Mathematics
1 answer:
insens350 [35]3 years ago
3 0

Answer: step 2

Step-by-step explanation:

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The carpenters worked 15\frac{3}{4} , 15\frac{1}{4}, 17\frac{1}{2}, 12\frac{1}{2}, 17\frac{1}{2}

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