sanchezjessica123 sanchezjessica123
  • 02-03-2020
  • Mathematics
contestada

A is now 4 times as old as B. Five years ago the sum of their ages was 45 years. How old is each?

Respuesta :

Danboghiu66
Danboghiu66 Danboghiu66
  • 02-03-2020

a=4b

(a-5)+(b-5)=45

4b-5+b-5=45

5b=55

b=11

a=44

Answer Link

Otras preguntas

In a class of 35 students, 25 girls averaged 92% on the last test, while the 10 boys averaged 85% on the same test. What is the average for the entire class on
Why does a pendulum eventually stop swinging?
Why does a pendulum eventually stop swinging?
Genetic crosses Question:A brown coat is dominant to a white coat in cattle.  A farmer has a brown bull.  How would you determine whether the bull is a heteroz
what is the cubic root of - 250
Heating zinc sulfide in the air causes the formation of
What long-term effect do you think EU membership will have on nationalism in Europe? Explain.
What is the main idea of Truman's statement about the use of atomic weapons
copy this figure onto grid paper. draw line to divide the figure into 4 congruent polygons. how do you know the ploygons are congruent
Explain how engineers and scientists may work together to produce a protein in the lab.