sarikahooper15 sarikahooper15

15-06-2020
Mathematics

contestada

The mean weight of 25 student in a class is 58kg. The mean weight of a class of 29 students is 62kg. Find the mean weight of all the students

Respuesta :

rebeccarayshma rebeccarayshma

21-06-2020

Answer:

weight of 25 students

25 × 58 = 1450kg

weight of 29 students

29 × 62 = 1798kg

total students = 25 + 29 = 54

total weight of students = 1450 + 1798 = 3248

mean weight of all students = 3248/54 = 60.19kg

Answer Link

Otras preguntas

The ratio of red collars to black collars sold at one store is 9 to 10. In one month 30 black collars were sold. Is 57 a reasonable number for the total number

What causes climate change?

if y=6x and x=1.5 find y

What are three most common types of land forms in Washington

How would you describe the change in the arrangement of particles as heat energy and temperature increase?

i dont get what evaluate 11.4n when n=5,n=6.5,and n=10.Please help

How many outcomes are there if you roll two dice with side sides

There are 12 rabbits in a cage. The ratio of white rabbits to all rabbits is 3:4. How many white rabbits are in a cage?

What are some advantages of using less farm machinery in planting?

2x + y = 3 x - 2y = -1 If equation one is multiplied by 2 and then the equations are added, the result is _____.