Question

a train covers 80 4 by 5 km in 1 hour how much distance will it cover in 4 3 by 4 hours

Answer 1

80 4/5 = 404 /5

4 3/4 = 19/4

404/ 5 : 1 :: 19/4 : x

404x/5 = 19/4

404x = 95/4

x = 95/4 * 1/404

x = 95/1616