Sanchi has twice as many marbles as Sia. Jiya has thrice as many marbles as Sanchi. They have 81 marbles altogether. How many marbles does Jiya have?
(A) 9
(B) 18
(C) 27
(D) 54
Sanchi has twice as many marbles as Sia. Jiya has thrice as many marbles as Sanchi. They have 81 marbles altogether. How many marbles does Jiya have?
(A) 9
(B) 18
(C) 27
(D) 54