The graph below shows the relationship between the number of minutes Ray walks and the number of calories he burns.
Which equation can be used to find the number of calories
Ray burns when he walks for
minutes?
A
�=�+4y=x+4y=x+4
B
�=�4y=\frac{x}{4}y=
4
x
C
�=4�y=4xy=4x
D
�=�−4y=x-4y=x−4