Answer:
20 athletes have taken performance-enhancing drugs.
Step-by-step explanation:
Assuming that you want to find the number of athletes that have taken drugs, multiply 4% (0.04) by 500.
4%=4/100=1/25
1/25*500=20, 20 athletes have taken performance-enhancing drugs.
Answer:4.31
b
B
Answer: Undefined
4/0 is undefined. This is because any number divided by zero is undifined.