There are 60 tables in a restaurant, with 25% of them seating 22 people. the tables remaining seat 4 people. how many seats are there in the restaurant?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2