Victor and Kelsey have identical sandwiches. Victor eats 2/5 of his sandwich. If Kelsey eats 15/8 as much as Victor does, what fraction of her sandwich did she eat?

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.