tylerseltze tylerseltze

01-06-2017
Mathematics

contestada

Kevin is 3 years older than Daniel. Two years ago, Kevin was 4 times as old as Daniel. How old is Daniel now

Respuesta :

enticinghook4 enticinghook4

01-06-2017

k = Kevin
d = Daniel

k = 3 + d;
k - 2 = 4( d - 2 );
We have 3 + d - 2 = 4d - 8;
Then, d + 1 = 4d - 8;
9 = 3d;
d = 3.
Finally, k = 6 years.

Answer Link

Otras preguntas

What is the formula of the compound with the name carbon tetrafluoride?

What is the charge of the most stable ion of bromine?

anybody wanna help me answer these questions ?

How do you turn 3y-x=6 Into y=Mx+b form

What sociological factors contribute to the criminalization of individuals in society?

Can someone explain this? I don't understand a thing. Chapter on functions.

The falling action on a plot structure diagram depicts the

Delilah does 184 jumping jacks in 4 minuets. She does her jumping jacks at a constant rate. How many jumping jacks can Delilah do per minute?

Does absorption of fructose takes longer than the other monosaccharides.

what advice would you give to someone seeking citizenship?