Question

A supplier of lawn products has 3 types of grass fertilizer, G1, G2, and G3, having nitrogen contents of 30%, 20%, 15% respectively. The supplier plans to mix them, obtaining 600 pounds of fertilizer with a 25% nitrogen content. The mixture is to contain 100 poumds more of type G3 than G2. How much pf each type should be used?

Answer 1