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 is the state at which a net force is zero called
Describe William Shakespeare in one word
write the equation in function form.then graph the equation x-3y=-9 ???
What Is the National Prohibition Act?
se quiere embotellar 43,5 litros de leche en botellas de 0,750 de litro ¿cuantas botellas se necesitan?
In a titration, 45.0 mL of KOH is neutralized by 75.0 mL of 0.30M HBr. How much KOH is in 1.0 liter of the KOH solution ?
An element with mass 1000 grams decays by 14.8% per minute. How much of the element is remaining after 11 minutes, to the nearest 10th of a gram?
Which situation describes a correlation that is not a causal relationship? (1) Car color and number of car accidents(2) Hours spent studying and test score(3) A
how do i make 24 using the numbers 11 6 10 2?
which state capital is north of 40 degrees north latitude: Frankfort, denver, salt lake city, or columbus?