&Complete the following tables given that x varies directly as y
(i)x2.5........15y5812....
(ii)x5....103525...y812...........32
(iii)x6810....20y1520...40....
(iv)x49.......3....y16...4836....4
(v)x3579y...2028....
Observe the tables given below and in each one find whether x and y are proportional :
(i) x3581126y915243378
(ii) x2.547.51014y1016304042
(iii) x579151825y152127607275