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
1. -2
2.-10
3. 16
4. -29
5. 3
6. 11
7. 3
8. -4
9. 14
10. 25
