I you use 1/6 of the bag for 1/2 a pound then you need to set up a proportion.
1/6 bag / 1 bag = 1/2 pound / x pounds Cross Multiply
(1/6)*x = 1/2 pounds * 1 bag Divide by 1/6
Remember: in a 4 level fraction, the denominator inverts and multiplies.
x =
3 pounds <<<< answer
1/6 bag / 1 bag = 1/2 pound / x pounds Cross Multiply
(1/6)*x = 1/2 pounds * 1 bag Divide by 1/6
Remember: in a 4 level fraction, the denominator inverts and multiplies.
x =
3 pounds <<<< answer