Question

please help me solve fast I need to submit today​

Answer 1

Answer:

12

Step-by-step explanation:

Average age of 5 boys = 11 year

Sum of age of 5 boys = 11*5 = 55

Age of sixth boy = 17 years

Sum of age of 6 boys = 55 + 17 = 72

Average age of 6 boys= 72/6 = 12