Answered

1. If y varies directly as x, and y = 21 when x = 7, find y when x = 16. Solution​

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MISSJINDYSUMMERGO

Statement:

If y varies directly as x, and y = 21 when x = 7, find y when x = 16. Solution​

[tex]\boxed{\tt{Solution:}}[/tex]

  • y = 21, x = 7
  • y = kx
  • 21 = k · 7
  • 3 = k

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  • y = ?, x = 16, k = 3
  • y = kx
  • y = 3 · 16
  • y = 48

[tex]\huge\boxed{\tt{ANSWER:}}[/tex]

  • The value of y is 48.

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