Question

3a=9b=27c=729, a+b+c =?
$3a = 9b = 27c = 729$

Answer 1

3a = 729
a = 729 ÷ 3
a = 243


9b = 729
b = 729 ÷ 9
b = 81


27c = 729
c = 729 ÷ 27
c = 27




Hence, a + b + c

=> 243 + 81 + 27

=> 243 + 108

=> 351