at lunch, lupe shared 3 1/2 small pizzas equally among his 4 friends. lupe's friend, Jon, only ate 1/2 of the pizza Lupe gave him. what fraction of a whole pizza did Jon eat?
3.5 / 5 = 0.7
0.5 * 0.7 = 0.35 = 35/100 = 7/20
0.5 * 0.7 = 0.35 = 35/100 = 7/20