Question

A recipe that makes 6 servings calls for 1/2 cup of butter. Nancy modifies the recipe
so that it can serve 8.
How many cups of butter does Nancy need?

Answer 1

1/2 ÷ 6
= 1/2 ÷ 6/1
= (1 × 1) / (6 × 2)
= 1/12 per serving

1/12 x 8
= 1/12 × 8/1
= (1 × 8) / (12 × 1)
= 8/12
= 2/3