How do you achieve a 1% active ingredient mixture using 25% wettable powder?

To achieve a 1% active ingredient mixture using a 25% wettable powder, you want to determine how much of that powder is needed to get the desired concentration in a total solution of 100 gallons.

First, you need to understand what a 1% solution means in this context. A 1% solution indicates that you want 1 part of active ingredient per 100 parts of solution. For a 100-gallon mixture, this means you require 1 gallon of the active ingredient.

Now, since the wettable powder is 25% active ingredient, you can calculate the amount of wettable powder necessary to provide that 1 gallon of active ingredient. Given that 25% is the active component, you can set up the equation:

Let x be the amount of wettable powder needed (in gallons). The active ingredient in x gallons of the 25% wettable powder would be 0.25x gallons. To achieve 1 gallon of active ingredient, you set up the equation:

0.25x = 1 gallon.

Solving for x gives you:

x = 1 gallon / 0.25 = 4 gallons of wettable powder.

To convert gallons to pounds, you would