Respuesta :

keziakh004

Answer:

y = (4/7)x + 78/7

Step-by-step explanation:

We can have books equal to y and cost equal to x.

Solving for the slope, we get 4/7.

Plug this along with one of the data sets to solve for b.

b = 78/7

Answer:

Brainliest

Step-by-step explanation:

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