Paul receives 2 portions, which equals to 7.9 * 2 = 15.8
Colin receives 3 portions , this equals to 7.9 * 3 = 23.7
the difference between the 2 portions is 23.7 - 15.8 = 7.9
hence, Colin receives £7.9 over Paul
Answer is 143. See picture for explanation
Answer: it is not a function if the x repeats
Step-by-step explanation: My teacher always says THE X DOES NOT REPEAT that is the easiest way to remember it
