Valerie and Bret have a total 18 dog show ribbons. Bret has twice as many ribbons as Valerie
How many ribbons does each have?
no

27 is what percent of 108? 27 is % of 108

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Solve the system of equations y= 3/2 - 1, -x+ y =-3