Respuesta:
C=70
Explicación paso a paso:
[tex] \frac{a}{2} = \frac{b}{4} [/tex]
[tex]b = 2a[/tex]
[tex]a + b = 60[/tex]
[tex]a + 2a = 60[/tex]
[tex]a = \frac{60}{3} = 20[/tex]
[tex]b = 2(20) = 40[/tex]
[tex] \frac{40}{4} = \frac{c}{7} [/tex]
[tex]c = 70[/tex]
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Respuesta:
C=70
Explicación paso a paso:
[tex] \frac{a}{2} = \frac{b}{4} [/tex]
[tex]b = 2a[/tex]
[tex]a + b = 60[/tex]
[tex]a + 2a = 60[/tex]
[tex]a = \frac{60}{3} = 20[/tex]
[tex]b = 2(20) = 40[/tex]
[tex] \frac{40}{4} = \frac{c}{7} [/tex]
[tex]c = 70[/tex]