Answer:
the probability that he chooses are red marable first is 40%and for yellow it is 30% or all together 70%
Step-by-step explanation:
sense their is 4 red marable but that over 10 bc ten is your total of all then divide 4/10 and you get 40%
and for yellow their is 3 marable 3/10 bc ten is your total of all then divide and u get 30% and add both for them together
I hoped I helped I tried my best