[tex]\color{lime}\underline\mathbb{DIRECTIONS:}[/tex]
IV. Solve for the missing variable. Write your complete solution. Use a separate sheet of paper for your solutions.
[tex]\\[/tex]
If y varies inversely as x and x = 7 when y = 21, find y when x = 42.
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y varies inversely as x
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[tex]\color{green}\underline\mathbb{SOLUTION:}[/tex]
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- y = 21, x = 7
- y = k/x
- 21 = k/7
- 21 · 7 = k
- 147 = k
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- y = ?, x = 42
- y = 147/x
- y = 147/42
- y = 3.5
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[tex]\color{yellow}\underline\mathbb{ANSWER:}[/tex]
