# ratio and proportion.

• Jan 24th 2010, 03:43 PM
caperjay
ratio and proportion.
Another question I am stumped on. An explanation would be appreciated.
Question:

Public swimming pools require 3 parts chlorine liquid and 2 parts salt water to every 100 parts water to kill bacteria. How much chlorine liquid is required in a 4000L pool?
• Jan 24th 2010, 04:09 PM
3 parts chlorine in a 105 part solution.

The fraction of chlorine liquid is $\frac{3}{105}$

The chlorine amount in 4000L is the chlorine liquid fraction of that.
• Jan 24th 2010, 04:12 PM
caperjay
Quote:

The fraction of chlorine liquid is $\frac{3}{105}$