Hi this is my question:

The grant avalible to a section of society was inversely proportional to the number of people needing the grant. When 30 people needed a grant, the received £60 each.

i worked out that K=1800

But:

a) what would the grant have been if 120 people had needed one?

i get stuck on this bit, would i do this to get the answer?

120/30=4 1800 x 4= 7200?????