William bought a new backpack at the store when they were having a 40% off sale. if the regular price of the backpack was $35, how much did william pay with the discount?

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.

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?