Question

Maria has five orange, seven green, three red, and nine blue toothpicks in a bag. If Maria randomly selects one toothpick out of the bag, what is the probability it will be red or blue?

Answer 1

Well first you have to find how many toothpicks in the bag so O+G+R+B=24. So 24 toothpicks in a bag. And R+B=12 so you can simplify and do 1 of the following

1.12    2. 6    3. 3    4. 2      5. 1
   ---        --      --        --          ---
  24        12      6        4           2

Hope this helps!!