a girl was asked about her age and she said she is half her mothers age and she was asked how old was her mother and she said i dont know but my mom is 5 years younger than my dad and we asked how old is your dad and she said i dont know but the sum of our ages is equal to 100years.how old is the dad ,the mom and the girl?

Respuesta :

Answer: girl- 19yr old  mom- 38yr old dad- 43 yr old

Step-by-step explanation:

5x+5=100

5x-5=100-5

5/5x=95/5

x=19

2(19)=38

38+5=43