the gift shop sells red and white paper plates. they have 20 packs of red plates and 28 packs of white plates. all packs of plates are on 6 shelves with the same number of packs on each shelf. how many packs of plates are on each shelf?

Type of percentage that compares the final and original amounts

Five athlete are entered into a competition. Four of the athlete have had their turns. Their scores are 9.8 seconds, 9.75 seconds and 9.81 seconds to run 200 m distance. What score must the last athlete get in order to win the competition?

What is bigger 4.17 or 4.085

A truck is 75% longer than the car. A bus is 30% longer than the truck. How long is the car is the bus is 40 feet long?

Solve using the quadratic formula: 2x^2+10x+15=0

Each time Nicholas mows a lawn he uses 1/6 of a gallon of gasoline. If he has 2/3 of a gallon of gasoline, how many lawns can he mow before he needs to buy more gasoline

Which compound inequality can be used to solve the inequality. |3*+2| >7

How can 2x^2=x^2+4x+8 be set up as a systems of equations

Which statement best describes the excluded values of a rational expression? A - The number of excluded values of a rational expression cannot exceed the degree of the numerator.

Evaluate 12C4 and 11P4