Question

if the average of 4 number is 42 , then the sum of the number is____​

Answer 1

Let the four consecutive numbers be 'x', 'x+1′, 'x+2′, 'x+3′

So it is given that sum of the four consecutive numbers is 42, so

=>(x)+(x+1)+(x+2)+(x+3)=42

=>x+x+1+x+2+x+3=42

=>4x+6=42

=>4x=42–6

=>4x=36

=>x=36/4

=>x=9

So the value of x that is the first consecutive number is 9

First consecutive number=9

Second consecutive number=9+1=10

Third consecutive number=9+2=11

Fourth consecutive number=9+3=12

Proof:

=9+10+11+12

=42

So the numbers are 9, 10, 11, 12.

please mark as BRANLIEST

Answer 2

Answer:

168 is the answer

Step-by-step explanation:

Average of 4 numbers is 42

Sum of the numbers is 42 × 4

=168

Proof :

Average of 4 numbers = Sum of the numbers / Total no . of numbers

168 / 4

= 42