16 servings
because there are 4 cups in a quart, and two quarts is 8 cups.. if 5 cups of milk makes 10 servings there is half a cup in each serving.. so 8/.5 is 16
Another ratio of 13:27 is to write it as a fraction. This is to mean;
.04d + 20.
This is because even with no miles they charge 20 more and then 4 cents more for any additional mile.
6 * scale factor = 120
6x = 120
x = 120/6
x = 20 <== the scale factor