Brian decided to start a dog-walking service. He's going to charge each dog owner $4.50 to walk one dog and $6.75 to walk two dogs. Approximately how much will he earn if he walks 13 single dogs and 9 sets of two dogs?

how do you know in an algebraic expression when to put the variable first or when to put the number first

A filling machine at a bottling plant fills 300 bottles of juice in 5 minutes. How many bottles can it fill in an hour?

The Morenos invest 10000 in an account that grows to 12000 in 5 years what is the annual interest (r) if interest is compounded a. Quarterly b. Continuously

What is two thirds of 66

William and Stephanie are painting the bedrooms in their house. If he had to paint the bedrooms himself, it would take William four hours to complete the job. If Stephanie alone were to paint the bedrooms, it would take her six hours.

The area of a Square family room is 100 square meters how long is each side of the family room

The length of a rectangle field is 24 meters. This is 3 meters less than twice the width. Find the width.

A personal pan 8 inch pizza is cut into 5 equal slices. What is the area of 1 slice of pizza to the nearest square in? Use 3.14 for pie

4x-5=2-x what is x? explain or show your reasoning

Samir works 15 hours for every 19 hours that Mitul works. If x represents the number of hours that Mitul works and y represents the hours that Samir works, which equation correctly models this relationship?