A salesperson sells $2,500 in merchandise and earns a commission of $300. What is the commission rate as a percentage?

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.