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teejaycrown
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Three grades of milk are 1%, 2% and 3% fat by volume.If x gallons of the 1% grade, y gallons of the 2% grade and z gallons of 3% grade aew mixed to give x+y+z gallons of a 1.5% grade, what is x in terms of y and z.
a. y+3z
b.y+z/4
c. 2y + 3z
d. 3y +z
e. 3y + 4.5z
a. y+3z
b.y+z/4
c. 2y + 3z
d. 3y +z
e. 3y + 4.5z
