4) A supermarket car park has 200 spaces. 10% of the spaces are for staff.
The other spaces are for disabled people, for parents and for other customers in the
ratio 1:2:7
Paul is going to paint a sign for each of the spaces for staff, for disabled people and
for parents.
He is not going to paint signs for the spaces for other customers.
Work out the total number of spaces Paul is going to paint a sign for.