taee2 taee2
  • 04-03-2016
  • Mathematics
contestada

Y varies directly as x. If x=5 when y=12 find x when y=30

Respuesta :

olemakpadu
olemakpadu olemakpadu
  • 04-03-2016
if y varies directly as x.

It means    y/x = Constant

y₁/x₁ = y₂/x₂

12/5 =  30/x₂

12*x₂ = 5*30

x₂ =  5*30/12 =12.5

So it is 12.5.
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