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Mathematics, 27.03.2020 17:07 microwave13016
A box of 20 pencils costs $1.90. A box of 50 pencils has the same unit price as a box of 20 pencils. What is the cost of the box of 50 pencils?
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A box of 20 pencils costs $1.90. A box of 50 pencils has the same unit price as a box of 20 pencils....
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