Question

Mary's mother is three times as old as Mary and four times as old as Mary sisters and then is 3 years younger than Mary how old are Mary Jane and their mother​

Answer 1

Answer:

see

Step-by-step explanation:

12 + 3 =15

Mary's age = x + 3

= 2*15 = 30

Therefore , Mary's age in in 3 years = 30.

But , if they ask Mary's present age,

x + 3 = 30

x = 27

Therefore , Mary's present age is 27.

Mark as brainlist

Answer 2

Answer:

hi mate

*let the Mary's age be x

*let her mother age be 3x

*let jane age be x -3

3x=4 (×-3)

3x4x-12

- x = - 12

x=12

Step-by-step explanation:

Mary's age =12

Mary's mother's age =3x=3 A 12 = 36 years

jane age =x -3 =12 -3 = 9 years

hope it helps you