Find how many quarts of 5% butterfat milk and 1% butterfat milk should be mixed to yield 60 quarts of 2% butterfat milk. The mixture should contain ? quarts of the 5% butterfat milk.

the opening of this porabola is facing up

step-by-step explanation:

step by step explanation: when u removing the parentheses and combined them that would be : x+3y-x-y=2y

2, 2, 2 or -4, 20, 29

step-by-step explanation:

there is two ways you can do it.