Can Nathan afford to buy the musi 4. A liftis at the fourth basement floor, which is located four floors below
ground level. It then moves up 19 levels.
Which floor is the lift on?
5. in diving competitions the marks are allocated as follows:
3 marks for take-off
3 marks for flight
3 marks for entry
1 mark for the overall impression
Maximum possible mark = 10
The final marks are added and the total is
multiplied by a difficulty factor to give the diver's final score.
The table gives the marks and difficulty factors of three divers using
a 10 m platform:
Name
Total marks
Difficulty factor
John
6
2,4
Muzi
8
1,4
Anton
5
3,1​