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Mathematics, 02.11.2020 22:10 kennedy3076

Sianna bought 3 pens, 4 notebooks, and a calculator. The calculator cost $25. If x represents the cost of each pen and y represents the cost of each notebook, which expression represents the amount of change Sianna should receive from $50?

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Sianna bought 3 pens, 4 notebooks, and a calculator. The calculator cost $25. If x represents the co...
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