Question

ajutati maaa ex 6 ...​

Answer 1

I 25% din s

II 20% din 25% din s=252

$20\% \times 25\% \times s = 252 \\ \frac{20}{100} \times \frac{25}{100} \times s = 252 \\ \frac{1}{5} \times \frac{1}{4} \times s = 252 \\ \frac{s}{20} = 252 \\ s = 252 \times 20 \\ s = 5040$