Se (2, x, 32) e (6, 24, y) são grandezas diretamente proporcionais, então o valor de y/x é:
a) 3.
b) 4.
c) 6.
d) 8.
e) 12.
a) 3.
b) 4.
c) 6.
d) 8.
e) 12.
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2/6=x/24
2/1=x/4
x=2(4)
x=8
8/24=32/y
1/3=32/y
y=3(32)
y=96
Logo:
y/x=
96/8=
12
Resposta: e) 12