Question

Ajutor, e urgent(prin poza dacă se poate)
Dau coroana

Answer 1

Răspuns:

1. ms=400 g

md=80 g

$c = \frac{md}{ms} \times 100 \\ c = \frac{80}{400} \times 100 \\ c = 20\%$

2. ms=500 kg

md=75 kg

$c = \frac{md}{ms} \times 100 \\ c = \frac{75}{500} \times 100 \\ c = 15\%$