A gumball machine has 21 red gumballs, 24 yellow gumballs, and 15 blue gumballs. The gumballs are randomly mixed. What is the probability that the gumball machine dispenses a red gumball, then a yellow gumball as a percent to the nearest whole number?
2 answers
Jenna is building a new apartment complex. The addresses are made up of a 3-digit number and a letter A through E. How many possible address combinations does Jenna have to work with while designing the complex?
21/60 for red, 24/59 for yellow
21/60 * 24/59 = ?
21/60 * 24/59 = ?