Question

1. Gordon has 25 gum balls in a bag. He has 7 red, 5 green, 2 yellow,

4 orange, 1 black, and 6 purple gum balls.
He reaches into the bag without looking and pulls out one gum ball.
Write a fraction, a decimal, and a percent to describe the probability
of Gordon picking each colour of gum ball.
a) purple:
b) black:
c) pink:
d) red or yellow:

Answer 1

a) 6/25, .24, 24%

b)1/25, .04, 4%

c) 0/25, .00, 0% (there is no pink)

d) 9/25, .36, 36%

Explanation:

To find the fraction just put the number of gumballs in that color in front of the total (25)

To find the decimal divide the number of gumabalss that color by the total

The percentage is equal to the decimal in hundreths