Ben decides to start a business walking dogs and cleaning swimming pools. It takes him 15 minutes to walk one dog and 20 minutes to use a skimmer and clean
one swimming pool.

Which expressions would represent how long it would take ben to walk some dogs and clean some swimming pools?

A.
15+20

B.
15x + 20x

C.
35 + 20x

D.
20 + 35 + 2

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. find the lateral area for the prism. l.a. = 0123456789