Question

How does 2.5 by 10 become 1 by 4

Answer 1

2.5/10=25/100=5/20=1/4

HOPE THIS WILL HELP U

Answer 2

2.
$\frac{2.5}{10 } = \frac{2.5}{2.5 \times 4} = \frac{1}{4 } \\ this \: is \: how \: it \: is \: derived$