Question

Cum rezolvi? Daca 10 reprezinta 50% dintr-un nunar atunci este egal cu...

Answer 1

$\frac{50}{100} x=10 \\ 50x=10*100 \\ 50x=1000 \\ x=1000:50 \\ x=20$

Answer 2

50% × a = 10
50/100 × a = 10
50a/100 = 10
50a = 1000
a = 1000/50
a = 20