Answer:
a) £58.5
b) £117
c) £438.75
Explanation:
Mr Singh is paid £11.70 per hour after tax is deducted.
This means that for x hours of work, his earning are given by:

a) How much does he earn if he works 5 hours?
This is E(5).

b) How much does he earn if he works 10 hours?
This is E(10).

c) He works 37.5 hours per week. How much does he earn in a week?
This is E(37.5).
