Question

Cat costa 10 kg de zahar stiind ca 3 kg de zahar costa 9,27

Answer 1

9,27:3=3,09(1 kg zahar)
3,09x10=30,9(suma kg zahar)

Answer 2

$\frac{3}{10} = \frac{9,27}{x} \\ x \to plata \ pentru \ 10 \ kg \\ 3x=9,27 \cdot 10 \\ 3x=92,7 \\ x= \frac{92,7}{3} \\ \Rightarrow \boxed{10 \ kg=30,9 \ lei}$