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

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

Mai spends 7 3/5 hours in school each day.. Her lunch period is 1/2 hour long, and she spends a total of 7/10 hour switching rooms between classes. The rest of

Taryn mowed 9 lawns in 7.5 hers and received $112.50. Alastair mowed 7 lawns in 5 hrs, and received122.50. How much did Taryn charge to now the lawn, and how mu

Which statement about the power of labor unions is true? a. U.S. courts regularly sided with unions in their disputes with factory owners. b. A union could shut

how do you convert gallons to liters? Explain

How many protons, electrons, and neutrons does an atom of iridium (Ir) have

Find the roots of f(x)=dx^2+ex+f by completing the square.

In the early 1800s, many people in the United States migrated westwards because

Why did the British fight the French in 1754?

Which of the following was a direct cause of the Panic of 1837? a The first Bank of the United States closed. b Congress lowered protective tariffs. c The feder

The price for each reindeer harness is $17.95 what is the price of 9 reindeer harnesses is the tax rate is 14% how much would 9 reindeer harnesses including tax