- varies inversely as - and when - - 15- - - 10- Then- if - - 20- - - -

15×10=20×yy=15×1020y=7.5 ...

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Direct Proportions

𝑥 varies inv...

Question

𝑥 varies inversely as 𝑦, and when 𝑥 = 15, 𝑦 = 10. Then, if 𝑥 = 20, 𝑦 = ?

7.5

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8.5

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$x$ varies inversely as $y$ , when $x = 15$ then $y = 10$ , if $x = 20$ then $y = ?$

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