Question

aflati un numar daca 57% din el este 21,09
Dau coroana!

Answer 1

21,09=2109/100
57/100x=2109/100
x=2109/100x100/57
x=2109/57
x=37

Answer 2

$\frac{57}{100} \times x = 21.09 \\ 57x = 21.09 \times 100 \\ x = \frac{2109}{57} \\ x = 37$