Question

Dacă p la suta din 1000 este 50 atunci p este .....?

Answer 1

p/100*1000=50

1000p/100=50
10p=50
p=5

Answer 2

$\displaystyle \frac{p}{100} \cdot 1000=50 \Rightarrow \frac{1000p}{100} =50 \Rightarrow 1000p=50 \cdot 100 \Leftrightarrow \\ \\ \Leftrightarrow 1000p=5000 \Rightarrow p= \frac{5000}{1000} \Rightarrow p=5$