How many gallons of a 30% antifreeze solution and a 10% antifreeze solution must be mixed to obtain 35 gal of a 22% antifreeze solution ? Round to the nearest gallon, if necessary

i believe that the slope of the line is -5

step-by-step explanation:

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).

kaahe btau