Ricardo’s recipe for four loaves of bread requires 2/3 cup of olive oil he only wants to make one loaf Ricardo makes a model to find out how much Ol Ricardo‘s recipe for four loaves of bread requires 2/3 cup of olive oil he only wants to make one loaf Ricardo makes a model to find out how much our oil He needs to use he fold a piece of paper into three parts and shades two parts then you fold the paper into four parts and shades 1/4 of the shaded part Riccardo decides he needs 1/4 cup of olive oil is he right.