Mrs. Doan spends $36 at a carnival. This is 75% of the money she brings to the carnival. How much money does Mrs. Doan bring to the carnival?

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Which of the following three dimensional figures has a circle as it’s base

Norder to get a certain shade of blue paint, a mixer must have 5 parts white paint to 3 parts blue. if 4 gallons of paint must be mixed, how many gallons of white paint must be used?