Answer:

Step-by-step explanation:

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
7, 14, 21, 28, 35, 42, 49... 7 cars will need. to be washed to reach $49
It 10,000,000 because there is no way that it can be in expanded form
10 inches because at 4 pm it was 6 inches but since it says it increases 4 inches during the times 4 PM through 6 PM it should've gone up another 4 inches. 6 plus 4 equals 10. ?????????