I can help you but what is the operation of math
correct answer is 0.0000010075
Answer:

Step-by-step explanation:
To find the required probability,
We can split the 40 years of Eric into very small pieces of time dt. Now, If Eric dies at time t and Gary dies before Eric, the probability is :

Hence the probability that Gary dies first is given by :

21*10=210
30*7=210
42*5=210
14*15=210
Answer: 2 and 3 scoops
Step-by-step explanation:
i guessed :/