Question

if the value of 21a+21b= 1134 what is the average of a + b​

Answer 1

21a+21b= 1134

divided by 21

then,

a+b=54

Answer 2

Answer:

3

Step-by-step explanation:

21a+21b : 1134

21a+b. : 1134/21

a+b. : 126/21

a+b. : 3