1.5x109/6x102 = 2.5x106 which is 2.5 million
1,500,000,000/600 = 2,500,000
15
0.1333
15
15 times by 600 divided by one hundred equals 90 pence so the actual answer is £5.10
15
40
30 divided by 2 equals 15 :)
40
15
15
40
15% = 0.15599.85 + 0.15 = 600==================================600 is 15% larger than 521.73913 (rounded)