Problema Solution
A cook needs to mix a regular ranch dressing containing 43% fat with a light ranch dressing containing 13% fat to result in 3 cups of a dressing containing 28% fat. How many cups of each kind of dressing should be mixed?
Answer provided by our tutors
let
x = cups of the regular ranch dressing containing 43% fat
y = cups of the light ranch dressing containing 13% fat
the the mix is 3 cups of a dressing containing 28% fat
x + y = 3
0.43x + 0.13y = 0.28*3
by solving the system of equations we find
x = 1.5 cups
y = 1.5 cups
click here to see the step by step solution of the system of equations
1.5 cups of the regular ranch dressing should be mixed with 1.5 cups of the light ranch dressing.