Question

find average Rs 15.50, Rs 40, rs16. 60, rs 20.50

Answer 1

HI
HERE IS THE ANSWER
$first \: add \: the \: all \: nubers = 15.50 + 40 + 16.60 + 20.50 = 92.60 \\ then \: devide \: by \: 4 = \frac{92.60}{4} = 23.15$

Answer 2

Answer:

Average =Sum of observation

Total of observation

Average=15.50+40+16.60.20.50=104

=104/5 = 20.8

Average=20.8