Question

Q. The average of three numbers is 59.
When six more numbers are included
the average becomes one- third more of the
the previous average,
What is the difference
between the
averages of the two set of
numbers?
a ) 19.4 b)19.3 c)19.5 d) 9.7 d)20.17​

Answer 1

Answer:

E

Step-by-step explanation:

a+b+c= (3*59)

Let six new numbers be y then

a+b+c+y= (59 +1/3) * 9

On solving we get difference as 20.17

please give thanks and brilliant answer for this