A fair spinner has 10 equal sections: 3 red, 3 blue and 4 green. It is spun twice.
What is the probability of getting the same colour twice?

For each proportion find the unknown number x 1/5/8=×/15

Which of the following represents the length of a diagonal of this trapezoid?

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?