What is the anwser pls and thanks

Answer:
400 atheletes (answer 2)
Step-by-step explanation:
35:21:14
x2
70:42:28
x2
140:84:56
x2
280:168:112
x1.5
420:252:168
420 + 252 + 168 = 840
answer: 400 athletes
explanation: 35 + 21 + 14 = 70 total students surveyed. 35 of the students select water (35/70) which is equal to 1/2 so you can do 800 divided by 1/2 and you’ll get 400 :)