matthewyork2063 matthewyork2063

03-08-2018
Mathematics

contestada

If the average of 12 numbers is 14 and the average of 4 of those numbers is 18, what is the average of the other eight numbers?

Respuesta :

ciara180 ciara180

03-08-2018

(8 + X + Y)/3 = 12

multiply both sides of the equation by 3 to get 8 + X + Y = 36

subtract 8 from both sides of the equation to get X + Y = 28

So, the sum of the 2 missing numbers is 28

Answer Link

Otras preguntas

Which of the following best reflects the point of view expressed by president George Washington in the expert above?

Could blood on the clothes of a murder suspect be used to implicate him in the crime?

Can someone help me with this

if a:b =2:3 write b as a fraction of a

3.Give some examples of commutative property of multiplication and some non examples

I need someone to solve this ASAP.

¿Que son los Recursos Forestales?

all night long the music from the next apartment was banging, thumping and pounded so loudly that I couldn't sleep.what is the error of this sentence?

What is the value of ice cream and coffee?

All species have a maximum tolerance limit before they are no longer suited to live in their environment. In three to five sentences, discuss the potential outc