A baker makes icing for his cakes using cocoa powder and honey. The diagram below shows the relationship between the number of cups of honey and the number of cups of cocoa powder used.

Question

A baker makes icing for his cakes using cocoa powder and honey. The diagram below shows the relationship between the number of cups of honey and the number of cups of cocoa powder used.

In the equations below, y represents cups of cocoa powder, and x represents cups of honey. Which equation represents the proportional relationship in this diagram?
A.
B.
C.
D.

Answer 1

The question does not provide any equations to choose from, so it is not possible to determine which equation represents the proportional relationship in the diagram.