The average of 5 numbers is 80. If one number is removed, the average become 50. Find the removed number?

Question

11-11-2017
Mathematics

contestada

The average of 5 numbers is 80. If one number is removed, the average become 50. Find the removed number?

Respuesta :

Otras preguntas

What is "la pista de pogo" mean in Spanish

Skeletal muscles need a rich blood supply to provide them with a. oxygen. b. carbon dioxide. c. water. d. none of the above

The age-sex structure of a quickly growing population would probably have a. a wide base, showing many young individuals. b. a wide top, showing many older indi

why was Richard Arkwright important in the industrial revolution?

If a car can go from 0.0 to 60.0 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50.0 mi/hr?

Substitution method X = 4 2x - 3y = -19

A wave with a large amplitude has a lot of a.vibration b.speed c.energy

The main difference among the types of symbiotic relationships is a. how many species either beneﬁt or are harmed. b. how many species are eaten. c. how many sp

A vaccine a. can be harmful because it contains pathogens such as viruses. b. contains a changed pathogen, so the pathogen is no longer harmful. c. provokes a r

texaschic101 texaschic101 · Answer 1 · 2017-11-11T22:26:52+01:00

texaschic101 texaschic101

11-11-2017

x / 5 = 80
x = 80 * 5
x = 400.......so the total of the numbers added was 400

(400 - x) / 4 = 50
400 - x = 50 * 4
400 - x = 200
-x = 200 - 400
-x = -200
x = 200 <== the removed number

Answer Link