Answer:
30
Step-by-step explanation:
25£ : 650 rubles
x£ : 780 rubles
25/x = 650/780
(cross multiply)
650x = 25×750
650x = 18 750
divide 18 750 by 650
which is = 30
thus x = 30
729 ÷ 3 = 243
so if you do 243 × 3 = 729
so your answer will be 243
I believe A should be the answer, hope that helps.