Malcolm bought 2 buckets of popcorn and 3 ice-cream cups at the skating rink. He paid $19.50. Sheryl bought 3 buckets of popcorn and 6 ice-cream cups and paid $35.25. How much is each bucket of popcorn?

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex