Math, asked by Amishh8117, 1 year ago

The variable x varies directly with 5y and x=15 when y=75. Find the value of Y when x=7?

Answers

Answered by MaheswariS
49

Answer:

\text{The value of y when x=7 is 35}

Step-by-step explanation:

\textbf{Given:}

\text{x varies directly with 5y }

\implies\,x=k\,5y

\text{x=15 when y=75}

\implies\,15=k\,5(75)

\implies\,1=k\,5(5)

\implies\,1=k\,(25)

\implies\,k=\frac{1}{25}

\therefore\boxed{x=\frac{1}{5}\,y}

\text{when x=7,}

7=\frac{1}{5}\,y

\implies\,y=35

Answered by Sejal6000000
9

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