Answer: Butter will be 1.5
Explanation:
A recipe for pie dough calls for a ratio of butter to flour 3/4 :2 1/2.
You plan to use 10 cups of flour.
So, to get the quantity of butter by using unitary method:
For 3/4 cup of flour, the butter should be 2 1/2 cups
So, 1 cup of flour, butter should be = 3/4 divided by 2 1/2 = 3/10
Thus, for 10 cups of flour butter should be = 3/10 * 5 = 3/2 = 1.5