Pay (£)
700
650
600
550
500
450
400
350
300
250
The graph shows Mahdi's pay for working up to
40 hours in a week.
In a week, Mahdi is paid
a basic hourly rate for the first 30 hours worked
an overtime hourly rate for any extra hours worked.
Work out the ratio
basic hourly rate: overtime hourly rate
Give your answer in its simplest form.
Optional working
200
150
100
50
50
5
10 15 20 25 30 35 40
Hours worked
5: 17
Total marks: 3