mubarekelias mubarekelias
  • 02-03-2021
  • Mathematics
contestada

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

Answer Link

Otras preguntas

What impact does the greenhouse effect have on the biosphere?
in "astrophysicist chronicles battle over pluto" whom does Dr. Tyson credit with first noticing that pluto was not included in his museum exhibit?
What is one of Ruth's internal conflicts in A Raisin in the Sun? A. She loves her family but is stifled in the small apartment B. She wants to grow more plants
What is reflection in math ? How do you solve it
Which of the following transactions will increase an asset and increase a​ liability?
Why are the stepsisters so cruel to Cinderella? Why is Cinderella hated by her stepmother?
How do I solve the problem
ASAP POINTS!!!!!!! What is the midpoint of CD given the coordinates C(-4,8) and D(8,-4) ? a) 0,0 b) 2,2 c) 4,4 d) 6,6
What is the traditional method for calculating a dog's age in human years?
Find the radius and circumference of a CD with a diameter of 4.75 inches.