Question 601890
2/3 cups makes 16 brownies
1/2 of that will make half as many brownies, so
1/3 cups makes 8 brownies
1/2 of that will make half as many brownies, so
1/6 cups makes 4 brownies
5 times that makes 5 times as many brownies, so
5/6 cups makes 20 brownies