Divide 3 pounds by 1/4 pound per sandwich.
3 / 1/4
When dividing by a fraction flip the fraction over and change divide to multiply:
1. 3 x 4/1 = 12/1 = 12 total sandwiches.
2. Multiply amount per sandwich by number of sandwiches:
3 x 1/4 = 3/4 total
3. Divide total bought by number of sandwiches:
1/4 /3 = 1/4 x 1/3 = 1/12 pound per sandwich
4. Subtract the amount used from total:
3 - 1.4 = 2 3/4 pounds left.
