Answer: B. Benford's law
Step-by-step explanation:
Benford's law created by Simon Newcomb is used to determine the number of times or percentage that a digit will occur in a series or collection of numbers
20% as a decimal = 0.20 × 69.99=£14.00
69.99-14=55.99
Step-by-step explanation:
The answer is C) Sixty Five