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  • 02-03-2021
  • Mathematics
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Tesfa is x years old. his father is 4 times as old as Tesfa. Her mother is 7 years younger than his father. If their three ages add up to 101 years, how old is Tesfa?​

Respuesta :

hd41186
hd41186 hd41186
  • 02-03-2021

tesfa = x

dad = 4x

mom= 4x-1

x+4x+4x-1=101

9x+1=101

9x=100

100/9= 11.1

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