Problema Solution
the directions for a weed killer are to mix 5oz. of the weed killer with 3 gallons of water. How many oz. of weed killer should i use with 4 gallons?
Answer provided by our tutors
we will assume that the amount of weed killer is directly proportional to the amount of water
let x = oz of the weed killer to use with 4 gallons of water
5 : 3 = x : 4
by solving we find:
x = 6.67 oz
click here to see the step by step solution of the equation:
use 6.67 oz of weed killer with 4 gallons of water.