Question

х * 300 =1500 2700 : х=9 х : 80 = 800

Answer 1

х * 300 = 1500
х = 1500 : 300
х = 5
_______
5 * 300 = 1500


2700 : х = 9
х = 2700:9
х = 300
_______
2700 : 300 = 9


х : 80 = 800
х = 800 * 80
х = 64 000
_________
64 000: 80 = 800