Q71 of 106 Page 310

It is given that l varies directly as m.

(i) Write an equation which relates l and m.


(ii) Find the constant of proportion (k), when l is 6 then m is 18.


(iii) Find l, when m is 33.


(iv) Find m when l is 8.

Since l varies directly as m.


a. Equation related to l and m is


b. If


c. If m = 33, then


⇒


⇒ ⇒


d. if


∴ ⇒


⇒ m = 8× 3 = 24


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