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

1. Write the equation of a line that is parallel to y= 3/2x - 4 and goes through the points (2,-2)

Write a sentence using each term to characterize art. Prescription Patient Injection Disease Mask

HELPS PLS ASAP!!! what is the charge of an atom with 5 protons and 3 electrons A. POSITIVE B. NEGATIVE C. NEGATIVE 2 D. POSITIVE 2

What promise was made in clause 12

Which sentence would be the most effective opening for that story ?

Please help I only have until 8:15 AZ time ;-; Twice a number, increased by one, is between negative 3 and 9. Find all the numbers.

What other test(s)would you perform on blood to better identify an individual?

Which amendment in the Bill of Rights do you think meant more to Antifederalists, the First Amendment or the Second Amendment? Explain.

Is computer assembly a good job for a teenager?

Under the Articles of Confederation, if Vermont was attacked and invaded by New York, what could the federal government do to help? A.Call up the federal milita