Question

A man earns 1200 by working for 10 days.in how many days will be earn in 3600?

Answer 1

1 day 120/-
3600/-in30

Answer 2

1200:10::3600:x
120:1::3600:x
By cross multiplying
120x=3600
x=3600/120
x=30

Therfore he he will earn 3600in 30 days