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

¿Qué es la natilla? (1 point) Question 6 options: 1) una bebida 2) una fruta 3) una carne 4) un postre

How many sides does a regular polygon have if each exterior angle measures 20°? a. 17 sides b. 20 sides c. 21 sides d. 18 sides

Which of the following explains the outcome and significance of the District of Columbia v. Heller case? The Supreme Court decided in favor of the District of C

How does the see temperature affect hurricane formation?

If f(x) = x^3, which of the following describes the graph of f(x − 3)?

which of the problems has the huang he caused

An egg is dropped from a balcony that is 32 feet from the ground . A timer on the ground indicated that it took 1 second for the egg to hit the ground, after it

Pls help me you guys are amazing :)

Popular culture __________. A. is fluid and can change quickly B. did not exist before 1990 C. is practiced only by young people D. discourages innovation or ch

Evaluating Expression a - 5 - b; use a = 10, and b = 4