Question

The cost of 3 pounds of grapes is $6.57. What is the constant of proportionality that relates the cost in dollars,y, to the number of pounds of grapes,x?

Answer 1

Answer:

proportionality is where k = y/x  and k is the proportionality constant

$6.57 : 3 pounds of grapes

y dollar : x pounds of grapes

so the proportion is

6.57         y

____  =  ___

 3            x

6.57x

_____  = y

  3

2.19x = y

so k = 2.19

Step-by-step explanation: