Mathematics, 24.02.2021 22:10 alejandra1201

The table shows the cost of books at our school library book sale. Do the data in the table show a constant of proportionality. If so, what is the constant of proportionality, k= y/x? A: 2
B: 2.5
C: 2/5
D: there is no constant of proportionality.

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The table shows the cost of books at our school library book sale. Do the data in the table show a c...