[tex] \color{lime} \underline \mathbb{QUESTION : }[/tex]
If j varies directly as f and j = 15 when f = 3, find j if f = 10.
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Given values:
[tex] \color{cyan} \begin{cases} \color{skyblue}\sf{j = 15} \\ \color{skyblue} \sf{f = 3} \end{cases}[/tex]
J varies directly as f:
[tex] \color{pink} \boxed{ \sf{j = kf}}[/tex]
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- j = kf
- 15 = k • 3
- 15/3 = k
- 5 = k
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- j = ?, f = 10
- j = 5f
- j = 5 • 10
- j = 50
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[tex] \color{yellow} \underline \mathbb{ANSWER : }[/tex]
