Question

Kayla mixes 1/6 pound of salt with 1/8 bucket of water to make a saline solution. How much salt does she need to use for a full bucket of water? show your work.

Answer 1

ANSWER

4/3 pounds of salt

EXPLANATION

We are given that Kayla mixes 1/6 pound of salt with 1/8 bucket of water to make a saline solution.

We want to find out how much salt she will need to mix with a bucket of water.

To do this, we will compare and cross multiply,

That is, let the amount of salt needed be x:

$\begin{gathered} \frac{1}{6}\text{ pound of salt = }\frac{1}{8}\text{ bucket of water} \\ \Rightarrow\text{x pound of salt = }1\text{ bucket of water} \\ \text{Cross-multiply:} \\ 1\cdot\text{ }\frac{1}{6}\text{ = x }\cdot\text{ }\frac{1}{8} \\ \Rightarrow\text{ x = }\frac{8\cdot\text{ 1}}{6}\text{ = }\frac{8}{6} \\ \Rightarrow\text{ x = }\frac{4}{3}\text{ pounds of salt or 1}\frac{1}{3}\text{ pounds of salt} \end{gathered}$

Kayla will need 4/3 pounds of salt or 1 1/3 pounds of salt