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

What is the average weight of the human eyeball?
a vassal paid___ or promised allegiance to an overlord
Segment AB contains points A and B. Segment CD contains points C and D. Are segment AB and segment CD parallel, perpendicular, or neither? Explain. A(3, -8) B(0
The congress passes laws but the president can veto them what else can they do besides veto them
According to Table I, which salt releases energy as it dissolves? (1) KNO3 (3) NH4NO3 (2) LiBr (4) NaCl
Which sentence uses a verb that agrees with its subject? A. These peacocks has such lovely feathers B. That baby have the cutest smile in those photographs.
What is the domain and range of y = x+1/x-1
In the wave-mechanical model, an orbital is a region of space in an atom where there is(1) a high probability of finding an electron (2) a high probability of f
Which change is exothermic? (1) freezing of water(2) melting of iron(3) vaporization of ethanol(4) sublimation of iodine
How do the energy and the most probable location of an electron in the third shell of an atom compare to the energy and the most probable location of an electro