Question

Sonia can copy 50 pages in 10 hours. Priya and Sonia can copy 300 pages in 40 hours. In how much time can Priya copy 30 pages?​

Answer 1

50 pages...........10 hours

30 pages........... X hours

by cross multiplication,

50x=10×30

50x=300

X=300/50

X=6 hours

hope it helps.......