Casper has some whipping cream that is 18% butterfat and some milk that is 4% butterfat. He wants to make a 500 mL mixture of them that is 12% butterfat.
Here's a graph that shows a system of equations for this scenario where x is the volume of whipping cream he
uses and y is the volume of milk he uses.

what is the answer?

where is the graph

step-by-step explanation:

answer:

the answer is b) divide by -4 on each side and flip the sign.

step-by-step explanation:

we first need to start by dividing. this is because it is a multiplication problem to start.

we also need to make sure we flip the sign because any time you multiply or divide by negative numbers, the sign must be flipped.