Q2 - Inverse proportion 5 friends pay £15 each to hire a
hall for a band practice.
How much would 15 friends pay
each to hire the same hall?
6 tractors take 10 days to collect
the harvest.
How long would it take 18
tractors to do the same work?

4 kitchen assistants can prepare 10 kg
of vegetables in 30 minutes.
How long would it take 30 assistants to
prepare
the same amount?