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Sum

It is given that l varies directly as m. Find m when l is 8.

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#### Solution

Since l varies directly as m.

If `l = 8`

∴ `l/m` = k

⇒ `8/m = 1/3` ...`[because k = 1/3]`

⇒ m = `8 xx 3` = 24

Concept: Concept of Direct Proportion

Is there an error in this question or solution?

Chapter 10: Direct and Inverse Proportions - Exercise [Page 323]