Asked by ski

You need to prepare 120 g of a 7% cream using a 21% stock cream and a 2% cream base.
Answered by DrBob222
Let x = grams 2%
and 120-x = grams 21%
---------------
2x + (120-x)*21 = 120*7
Solve for x and 120-x
Answered by ski
thank you
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