Question

The cost of 2pounds if potatoes is $3.78 what is the constant of proportionality that represents the relationship between the cost,y, to the number of pounds of potatoes,x?

Answer 1

The answer is 1.89

2 pounds = $3.78

1 pound = $3.78/2 = $1.89

Explanation:

Answer 2

The constant of proportionality is 1.89

Explanation:

2 pounds = $3.78

1 pound = $3.78/2 = $1.89

Cost y is directly proportional to the pound of potato

y = 1.89x

The constant of proportionality is the cost of 1 pound of potato, and it is 1.89