zannathussain1121 zannathussain1121
  • 02-05-2021
  • Mathematics
contestada

The mean age of 5 people in a room is 33 years. A person enters the room. The mean age is now 37. What is the age of the person who entered the room?

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 02-05-2021

Mean is the average,

The total ages with 5 people would be 5 x 33 = 165

the total ages with the 6th person is 6 x 37 = 222

The age of the 6th person is 222 - 165 = 57 years old.

Answer Link

Otras preguntas

Which compound matches the ir spectrum best?
How many years difference is there between 250 ce and 250 bce?
(x-4)(x+4)(x-7) is greater than or equal to 0
How much heat is needed to raise the temperature of 5.58 kilograms of iron from 20.0 Celsius to 1000.0 Celsius? Specific heat of iron is 450,000 J/(kgx Celsius)
How do i solve 2(pi)y^2+(pi)yx-12 for y
LaDonna is running for city council she needs to get 5/6 of her votes from senior citizens and 30,000 votes in all to win how many votes does she need from vote
If Argyl earns $93.00 for 7.75 hours of work, how many must he work to earn $571.50?
34 days to 2 weeks the ratio is
G brønsted-lowry proton transfer reaction, hydroxide functions as a/an ______.
The inner planets—Mercury, Venus, Earth, and Mars—are believed to have been formed by _____.