Two pounds of cashews cost $5, 3 pounds of cashews cost $7.50, and 8 pounds of cashews cost $20. Find the constant of proportionality. Then write an equation that represents the relationship between the cost and the number of pounds cashew.

Question

Mathematics

Jazlene Fry

1 September, 02:47

Two pounds of cashews cost $5, 3 pounds of cashews cost $7.50, and 8 pounds of cashews cost $20. Find the constant of proportionality. Then write an equation that represents the relationship between the cost and the number of pounds cashew.

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Answers (1)

Know the Answer?

Adrianna Cross · Answer 1

Equation = P = 2.5 C

Step-by-step explanation:

From the first statement

2 ib = $5

1 ib = $2.5

From second statement

3 ib = $7.5

1 ib = $2.5

Hence every one pound cost $2.5

let P represent pound and C represent cost

P = 2.5 C