Question

URGENTEEEEEEEEEEEEEEE​

Answer 1

$20 \div y = 30 \div 75 \\ 20 \div y = 30 \div 75, \: y≠0 \\ 1500 = 30y \\ 30y = 1500 \\ y = 50, \: y ≠0 \\ {\red{y = 50}}$

resposta: y=50