If five slices of pizza costs 5.50 how much would two slices cost? ten slices? half a slice?

The first thing we must do for this case is to define variables.

We have then:

x: number of slices

y: total cost

We write the linear function that relates the variables.

We have then:

Then, we evaluate the number of slices to find the total cost.

-two slices cost:

We substitute x = 2 in the given equation:

two slices = 2.2 $

-ten slices cost:

We substitute x = 10 in the given equation:

ten slices = 11 $

-half a slice cost:

We substitute x = 1/2 in the given equation:

half a slice = 0.55 $

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step-by-step explanation:

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