Question

45 is 90% of what number

Answer 1

45/0.9 (Which is 90%) =50 45 is 90% of 50

50 <------ answer
____
0.9/ 45
- 45
_______
0

Answer 2

45 = 90% * x
45 = .90x
45/.90 = x

x = 50

45 is 90% of 50