Select all expressions thr equal 3.15/0.45

Select all expressions  equal 3.15/0.45

let's analyze case by case
case A) 3.15*0.45> is not (3.15/0.45)
case B) 3.15/0.45> is correct
case C) 3.15*(1/0.45)=(3.15*1)/0.45> 3.15/0.45> is correct
case D) 3.15/(45/100)=3.15*100/45=315/45> is not (3.15/0.45)
case E) 0.45/3.15> is not (3.15/0.45)

the answers are
case B) 3.15/0.45> is correct
case C) 3.15*(1/0.45)=(3.15*1)/0.45> 3.15/0.45> is correct

Where is the qeustion