(1) If a, banda are nes such that albic -= 3,4 and b = 20, then find atbtc (2) Divide 400 with ratio 315 (3) The ratio of two nes is 2:3 and their sumis 20 then find the two nos, (4) The nes have ratio 13:10 If their die is then find the larger no (5) The ratio of measure of the angles of a triangle in 2:3:4, then find the measure of each angle?​