1 dozen = 12
144 / 12 = 12 dozen
12 dozen/ 3 = 4
They need 4 times the amount of flour:
3 1/4 x 4 = 13
They need 13 cups of flour
Answer:
The last option: 3 x (7 + 2) = (3 x 7) + (3 x 2)
Step-by-step explanation:
There is addition on the inside, and you are distributing the multiplication from the outside.