Question

If a+b=3(c+d) which of the following is average of a, b,c,d

Answer 1

Answer:

c+d

Step-by-step explanation:

Average of a,b,c,d:

a+b+c+d / 4

Given : a+b=3(c+d)

[3(c+d)+c+d] / 4

4c+4d / 4

4(c+d) / 4

Answer : c+d

Answer 2

Answer:

c+d

Step-by-step explanation:

average of a, b, c and , d is

a+b+c+d/4

as we know that

a+b=3(c+d) so we can put a+b value in above average formula

3(c+d)+c+d/4

4c+4d/4

4(c+d)/4

c+d