Question

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 1

Good morning,

We want to disinfect 4 quarts of stream water:
`(4)/(4) =1`

So:


`( (1)/(4)of water )/(2tablets)= (1of water)/(x tablets) \\ \\ (1)/(8) = (1)/(x) \\ \\ x=8 tablets`

Answer: We need 8 tablets.