Q; The door prizes at a dance are gift certificates from local merchants.

Question

1. The door prizes at a dance are gift certificates from local merchants. there are four $10 certificates, five $20 certificates, and three $50 certificates. The prize envelopes are mixed together in a bag and are drawn at random.

a) Use a tree diagram to illustrate the possible outcomes for selecting the first two prizes to be given out.

Please show all steps for this question and a explanation because I really don't understand why the tree diagram looks like that from the answer.

Answer 1

$10

$10 $20

$50

$10

$20 $20

$50

$10

$50 $20

$50