500
Ben, Ian, Sara and Lily each ordered a large pizza. Each pizza was cut into slices of equal size. Ben's pizza had 6 slices, Ian's had 8, Sara's had 10, and Lily's had 12. Each student ate his or own pizza.
Ben ate 3 slices, Ian ate 4, Sara ate 5 and Lily ate 6. Lily says she ate the most she ate 6 pieces. Ben says everyone ate the same amount. Who is correct?
Who is Ben.
They all ate half their pizza.