Find the volume of the trapezoidal prism Use numbers only in your answer !!! Help

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Which geometric principle is used to justify the construction below?

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost