Question

Alguém saber resolver essas 5 questões?

Answer 1

Explicação passo a passo:

$e) \frac{4y}{3} - 6 = \frac{2y}{4} - 1\\\frac{4y-18}{3} = \frac{2y-4}{4} \\3.(2y-4) = 4.(4y-18)\\6y - 12 = 16y - 72\\10y = 60\\y = 6$

2)

$a) \frac{5}{8} = \frac{x}{24}\\ 8x = 120\\x = 15\\\\b) \frac{y}{7} = \frac{8}{35} \\35y = 56\\y = \frac{56}{35} = \frac{8}{5} \\\\c) \frac{1,7}{w} = \frac{2,55}{9} \\15,3 = 2,55w\\w = \frac{15,3}{2,55} = 6\\\\d) \frac{9,66}{3,5} =\frac{2,3}{x} \\9,66x = 8,05\\x = 0,83$