Question

The mean of 7 number is 35 if each number is multipled by 4 find the new mean

Answer 1

Answer:

Step-by-step explanation:

a+b+c+d+e+f+g/7=35

Each number is multiplied by 4

4a+4b+4c+4d+4e+4f+4g

4(a+b+c+d+e+f+g)

Mean of the above number is

4(a+b+c+d+e+f+g)/7

4×35=140