Question

Averge of 5 number is 80
if three of these are 70, 80 and 90 Find the average of last two
number
A, 70
B, 90
C, 80
D, 85​

Answer 1

I hope you understood this.

Answer 2

Answer:

I think it will be:

All total 5×80=400

now 70+80+90=240

so 400-240=160

now,, average of 2 numbers

=160/2=80

HOPE IT HELPS