Sagot :
Use a franction formula:
50/16= 3 is the probability that he selects a red marble.
50/20= 2 is the probability that he selects a yellow marble.
3+2= 5 is the probability that he selects a red marble or yellow marble.
Hope makatulong sayo;)
50/16= 3 is the probability that he selects a red marble.
50/20= 2 is the probability that he selects a yellow marble.
3+2= 5 is the probability that he selects a red marble or yellow marble.
Hope makatulong sayo;)