karennolasco karennolasco
  • 17-07-2021
  • Mathematics
contestada

If y varies directly as x, and x = 4 when y = 20, find y when x = 18.

Respuesta :

samuelthankgod
samuelthankgod samuelthankgod
  • 17-07-2021

Step-by-step explanation:

y=Kx

20=4k

k=5

when x=18

y=18 x 5

y=90

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