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

Describe what happened to the colored water and the pieces of paper after the holes were punched in the material covering the beaker

Bonjour, Pouvez vous m'aider à trouver les critères ? Je dois réalisé un tableau multi critères en comparant ces offres de ces fournisseurs et je sais faire l

Can someone help me please!

what would happen without satellites???

HELP WILL GIVE BRAINLIEST Which of the following regions does not experience seasons: Tropic of Cancer, Equator, or Artic? Write an explanation below using obse

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I

There are 58 people in a store. 10 of them are employees. 6 come out, 4 come in. 16 leave, and 7 enter

Nathan rides his bike at the speed 18 kilometers per hour how fast is nathan riding in meters per second

GIVING BRAINIEST!!!!!!!!!!!!!!

what is an advantage of the scientific method?