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Answered

if y directly proportial to x,.if y = 15 when x = 4, find y when x = 5​

Sagot :

Tyron09go

Step-by-step explanation:

[tex]y = kx[/tex]

[tex]15 = k(4)[/tex]

[tex] \frac{15}{4} = \frac{k4}{4} [/tex]

[tex]k = 3.75[/tex]

[tex]y = 3 . 75(5)[/tex]

[tex]y = 18.75[/tex]

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