ghadeeraljelawy ghadeeraljelawy
  • 07-02-2019
  • Mathematics
contestada

en is 20 years older than Daniel. Ben and Daniel first met two years ago. Three years ago, Ben was 3 times as old as Daniel.



Respuesta :

nhe23359
nhe23359 nhe23359
  • 07-02-2019
D+20=B

3(D-3)=B-3

plug B in

3(D-3)=D+20-3
3D-9=D+17
2D=26
D=13

13+20=B
B=33

Ben is 33 and Daniel is 13
Answer Link

Otras preguntas

What change took place in the American labor force between 1800 and 1860
Which place is located in North Africa ? A) Egypt B) Mesopotamia C) Both D) Neither
Describe the impact of key requirements on service
Who are the "Bosses of the Senate"?
What famous founding father wrote the first draft of the Declaration of Independence? Thomas Jefferson John Adams Samuel Adams John Hancock
which members of roman society were a minority, but held most of the power in the early roman republic patricians tribunes consuls plebeians
What is the sum of the roots of the polynomial shown below? F(x)=3x^3+12x^2+3x-18
What is the equilibrium constant of pure water at 25°C?
How to solve this problem 3n+7-7n-5
de que maneira o imperador trajano festejou sua conquista sobre a regiao da dacia que atualmente corresponde aos territorios da romenia e da moldavia no leste e