If 10 pens and 12 pads cost $42, and 5 of the same pens and 10 of
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If 10 pens and 12 pads cost $42, and 5 of the same pens and 10 of the same pads cost $29, find the cost of a pen and a pad.
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10x 12y 42 5x10y 29 Multiply ...View the full answer
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