02-07-2020
Mathematics

contestada

The average (mean) of 90 numbers is 60, and the average of 60 numbers is 90. What is the average of all the numbers?

Respuesta :

gilbertazavedo72 gilbertazavedo72

02-07-2020

Answer: Average = 72

Step-by-step explanation:

Average of 90 nos. = 60

Total score = 90 x 60 = 5400

Average score of 60 nos is 90

Total score = 60 x 90 = 5400

Average of all nos

= (5400 + 5400) / 150 = 72

Answer Link

Otras preguntas

computer files designed to simplify the layout process and stored electronically as part of a page layout software program are called a. specification sheets. b

List the causes of World War I and the war's effects on social, economic, and foreign policy in the United States?

how to eliminate negative self-talk

what is a naturally occurring gas that's found in most soils and rocks and can cause lung cancer

functions of the jse in details

Raphael graphed the system of equations shown. y = – 3 y = x – 0.8 What is the best approximation for

Why are paintings from medieval times more generic, lacking individual qualities? a. virtually all medieval paintings were produced by monks. b. the church frow

a ^2 - a - 20 factor

whats is pathos of racism

the measure of one angle is 7 times the measure of its complement.Find each angle measure