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7. Tom can buy 3 donuts for $6, or 5 for $10 at Store A. Graph...

7. Tom can buy 3 donuts for $6, or 5 for $10 at Store A. Graph the line represented by this information on the graph below, and find its equation.

At Store B, Tom can buy 2 donuts for $6, or 4 for $9. Graph the line represented by this information on the same graph, and find its equation.

Determine the number of donuts where the costs would be the same. What is that cost? Label that value on your graph above.

Math   Statistics-And-Probability   
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