Translate the sentence into an equation. four times the difference of a number and 5 is 24.
a. 4 • (c – 5) = 24
b. 4c – 5 = 24
c. c – 4 • 5 = 24
d. 5 • (c – 4) = 24

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?