Posted by alyssa on .
If i need 21/4 cups of flour for 12 people then how much do i need for 10 people?

math 
Ms. Sue,
(9/4) / 12 =
(9/4) * (1/12) = 9/48 = 3/16 cup per person
Multiply 3/16 by 10 to find the quantity need for 10 people.