Question

Am nevoie vă rog!!
Dau coroană ❤️

Answer 1

4.a)

$7\%din 50 = \frac{7}{100} \times 50 = \frac{7 \times 50}{100} = \frac{350}{100}$

$\frac{350}{100} = 3.5$

b)

$2\%dinx = 20 < = > \frac{2x}{100} = 20$

$\frac{2x}{100} = 20 < = > 2x = 200 < = > x = 100$

$x = 100$

5.

$5\%din40 = \frac{5}{100} \times 40 = \frac{200}{100} = 2$