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

the quotient of a number and 35 is 100

I am currently spending $40 per month on my current service plan. we offer the same plan for $30 a month, which will save you __________ per month

How much is six more five

solve: Simplify -3(4y+2)

No puedo ir a la escuela. estoy _____. a. triste b. contenta c. ocupada d. enferma

While in the_______ , food is broken down by powerful acids and turned into chyme. a. esophagus b. pharynx c. small intestine d. stomach

when you cross or enter traffic from a full stop, how much space should you allow on city streets? on the highway?

54 decreased by twice a number

assign an icd-10-cm code(s) for the following case: the physician sent blood for hiv testing. the patient complains of fever and weight loss. the physician’s di

If a society answers the three basic economic questions by relying on ritual, ancestral laws, and religious dictates, what type of economic system is it using?