Question

the average age of 3 student is 15 years. if the 1st student is 18 years old and 2nd student is 12 years then, find of age of the 3rd student.​

Answer 1

Answer:

18.8

Step-by-step explanation:

Average age of 3 students - 15 years

1st student - 18 years

2nd student - 12 years

Average = $\frac{18 + 12}{15}$

= Approximately 18.8

Hope it helped!