Question

Ce masa de suc de concentrație 12% se obține folosind 150g zahăr?

Answer 1

Răspuns:

md=150g

C=12%

ms=md×100/C=150×100/12=1250g

aștept coroana

Answer 2

$c=12\%\\m_d=150g\\m_s=?$

$c=\frac{m_d \times 100}{m_s} =>m_s=\frac{m_d \times 100}{c} =\frac{150 \times 100}{12} =\frac{15000}{12} =1250g$