# bertha has 6 daughters and no sons. some of her daughters have 6 daughters, and the rest have none. bertha has a total of 30 daugh

bertha has 6 daughters and no sons. some of her daughters have 6 daughters, and the rest have none. bertha has a total of 30 daughters and granddaughters, and no great-granddaughters. how many of bertha’s daughters and grand-daughters have no daughters?

### 1 thought on “bertha has 6 daughters and no sons. some of her daughters have 6 daughters, and the rest have none. bertha has a total of 30 daugh”

1. Latifah
There are 26 bertha’s daughters and granddaughters have no daughters.

### What is the unitary method?

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.
We have been given that bertha has 6 daughters and no sons.
And some of her daughters have 6 daughters, and the rest have none. bertha has a total of 30 daughters and granddaughters and no great-granddaughters.
Therefore, the total daughter + grandaughter = 30
The given daughter of Betha = 6
The grand daughter = 30-6 ; 24
then 24 /6 = 4
4 have 6 daughters each
Since 2 of Bertha’s daughters have no daughters and all of the granddaughters also don’t have daughters
so
2+24 = 26
Hence, There are 26 bertha’s daughters and granddaughters have no daughters.