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OpenStudy (anonymous):
Estimate the sum or difference. 8 12/31 + 4 5/6 A 13 B 13 1/2 C 14
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TheSmartOne (thesmartone):
8 12/31= 8.387 which rounds to 8 4 5/6= 4.8333 which rounds to 5 So 8+5=?
OpenStudy (anonymous):
13
TheSmartOne (thesmartone):
Exactly
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