Question

encontre as frações equivalente .
a)7/5= 35/X

b)4/9=X/27

me ajudem please!!!​

Answer 1

Resposta:

$a) \: \frac{7}{5} = \frac{35}{x} \\ 7x = 175 \\ x = \frac{175}{7} \\ x = 25 \\ \\ b) \: \frac{4}{9} = \frac{x}{27} \\ 9x = 108 \\ x = \frac{108}{9} \\ x = 12$