sulemarenteria82 sulemarenteria82
  • 22-01-2021
  • Mathematics
contestada

Suppose y varies directly with x, and y = 60 when x = 12. What is y when x is 20?

Respuesta :

ChoiSungHyun
ChoiSungHyun ChoiSungHyun
  • 22-01-2021

Step-by-step explanation:

y = kx, where k is a real constant.

When x = 12, y = 60.

=> (60) = (12)k, k = 5.

Therefore when x = 20,

y = kx = (5)(20) = 100.

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