45% of a number is 255.6 .what is the 25% of that number?

Solution
Let number = $100x$
Acc. to ques,
=> $\frac{45}{100} \times 100x = 255.6$
=> $45x = 255.6$
=> $x = \frac{255.6}{45} = 5.68$
Number = $100 \times 5.68 = 568$
$\therefore$ 25% of number = $\frac{25}{100} \times 568$
= 142

142