Rational Expressions

Question

How much alfalfa should be added to 60L of ostrich pellets to create a mix that is 32% alfalfa by volume?

Answer 1

Let x = the amount of alfalfa

x/(60+x) = 0.32

x = 0.32(60+x) = 19.2 +0.32x --> (1-0.32)x = 19.2 --> x = 19.2/0.68 = 28.24L