Ricardos recipe for 4 loves of bread requires two thirds cup of olive oil . He only wants to make one loaf. Ricardo makes a model to find out how much oil he needs to use . He folds a piece of paper into 3 parts and shades 2parts . Then he folds the paper into 4 parts and shades one fourths of the shaded parts. Ricardo decides he needs one fourths cup of olive oil . Is he right ? Explain.