Question

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Answer 1

The unit rate of the cost of different weight of pistachios as shown on the graph is $1.25 per pounds.

What is unit rate?

A unit rate is a rate where the second quantity is one unit . Therefore, the unit rate of the linear graph can be found as follows;

(2, 2.5)(4, 5)

unit rate = y₂ - y₁ / x₂ - x₁

x₁ = 2

x₂ = 4

y₁ = 2.5

y₂ = 5

unit rate = 5 - 2.5  / 4 - 2 = 2.5 / 2 = $1.25 per pounds

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