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

The Habsburg Empire did all of the following EXCEPT A. take control of Hungary, Croatia, and Slovonia. B. lose their Holy Roman Empire in Germany. C. remain a c
Tennis balls with a diameter of 2.5 in. are packaged 3 to a can. The can is a cylinder. Find the volume of the space in the can that is not occupied by tennis b
Write a complete reaction of succinic acid and acetic anhydride
wats the 60% off a prize that is $20.00
Hey, need some help reverent A. respectful B. respect C. reply D. to spoil
When MgCO3(s) is strongly heated, it produces solid MgO as gaseous CO2 is driven off.Does the oxidation number of carbon change upon the formation of CO2?
wats the 60% off a prize that is $20.00
find the amplitude, period, and phase shift of the function defined by: y=3-2cos(3x+pi)
let f(x)=2x-3 and g(x)= -x^2-1 find ( g o f) (x)
can u tell me how to solve this promblem 4/7 plus 3/7