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Lady bird [3.3K]
3 years ago
9

A single box of thumb tacks weighed 3 1

Mathematics
1 answer:
emmasim [6.3K]3 years ago
5 0
3 \frac{1}{2} *4 \frac{1}{7} = \frac{7}{2} * \frac{29}{7} = \frac{29}{2} =  14\frac{1}{2} =14.5
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