1.

m α n, n 15 when m(1) Find m when n 8725, Hence(2) Find n when m155

Answer»

m is proponational to nthen m = kn, where k is constantso when m = 25 then n = 15i) so k = m/n = 25/15 = 5/3so, m = (5×87)/3 = 145ii) when m = 135 then n = m/k = 135×3/5 = 81



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