Question

2,1/7=x/10,,,,,,,,,,,,,,, ,,,,,6/24=5/X..................,,.....................

Answer 1

Resposta:

x = 3

x = 20

Explicação passo a passo:

$\frac{2,1}{7} =\frac{x}{10} \\\\ 7*x=10*2,1 \\ 7x=21 \\ x=\frac{21}{7}= 3$

$\frac{6}{24}=\frac{5}{x} \\\\ 6*x=24*5 \\ 6x=120 \\ x=\frac{120}{6}=20$