Answered

To disinfect 1 quart of stream water to make it drinkable,you need to add 2 tablets of iodine. How many tablets do you need to disinfect 4 quarts



Answer :

Good morning, 

We want to disinfect 4 quarts of stream water: [tex] \frac{4}{4} =1[/tex]

So:

[tex] \frac{ \frac{1}{4}of water }{2tablets}= \frac{1of water}{x tablets} \\ \\ \frac{1}{8} = \frac{1}{x} \\ \\ x=8 tablets[/tex]

Answer: We need 8 tablets.