Question

Encontre o valor de x e y: 2/y=x/8=5/20=​

Answer 1

Resposta:

${2\over y}={x\over8}={5\over20}\\ \\ {x\over8}={5\over20}~~~~~~~~~~~~~~~~~~~~{2\over y}={5\over20}\\ \\ 20x=40~~~~~~~~~~~~~~~~~~~5y=40\\ \\ x={40\over20}~~~~~~~~~~~~~~~~~~~~~~~~y={40\over5}\\ \\ ~\fbox{ x=2 }~~~~~~~~~~~~~~~~~~~~~~~\fbox{ y=8 }$