A recipe calls for 2.5 ounces of peanuts that can make 2/5 of a cupcake. How many ounces will make a full cupcake? What is the answer?
2.5 of peanuts/2/5 cupcake = x of peanuts/ 1 cupcake
2.5 / (2/5) = x/1
x = 2.5/ (2/5)
= 2.5 ( 5/2) = ... ounces of peanuts