Question 71(ii)
It is given that l varies directly as m. Find the constant of proportion (k), when l is 6, then m is 18.
Since l varies directly as m. If l =6 and m=18, then k=618=13
Question 71 (iii)
It is given that l varies directly as m. Find l, when m is 33.
Question 71 (iv)
It is given that l varies directly as m. Find m, when l is 8.
Question 65
l varies directly as m and l =5, when m=23. Find l when m =163