Question

A family with 6 members has an average age of 25 while a family of a has an average age of 35 the combine average of both family will b​

Answer 1

Answer:

Step-by-step explanation:

total age of 6 members family= 6* 25= 150

total age of 9 members family = 9* 35= 315

the combine average of both families=150+ 315 / 6+9

                                                             = 465/15

                                                             = 31