102643885 102643885
  • 12-09-2022
  • Mathematics
contestada

Kevin is 6 years older than Timothy. 4 years ago, Kevin was twice as old as Timothy. Find their present ages.

Respuesta :

DanielEgert
DanielEgert DanielEgert
  • 12-09-2022

Answer:

k=12

t=8

Step-by-step explanation:

two equations from the question

1 k=t+6

2 (k-4)=(t-4)×2

develop these

3. k-4=2t-8

4. 2 times first equation

2k=2t+12

subtract 4 from 3

-k-4=-20

k=16

sub back in

t=10

Answer Link

Otras preguntas

What is change in supply
What value of x makes the equation true for the equation 25 = 2x -4? A. 5.75 B. 10.5 C. 14.5 D. 15
factors of 7x^2+33x-10​
A rectangular sandbox is surrounded on all sides by a strip of grass that is 5 feet wide on all sides. The length of the sandbox is 2 feet more than the​ width,
Which direct democracy process allows voters to directly makela ?
Simplify cos omega tan omega
Experimental probability question! I will give brainlist if you answer correctly, but I will give 5 stars and thanks even if you are incorrect.
How many and of which kind of roots does this equation have? Can someone please help me ASAP (Solving polynomial equations)
A boat travels 8 km upstream and 8 km back. The time for the round trip is 2 hrs. The speed of the stream is 4 ​km/hr. What is the speed of the boat in still​ w
How do I get around Apple screen time and app restrictions