A | B | |
| The total number of songs downloaded | The total number of cultural songs downloaded | The total number of modern songs downloaded | The total number of songs downloaded | The total number of cultural songs downloaded | The total number of modern songs downloaded |
Quarter 1 | 77 | 33 | 44 | 75 | 30 | 45 |
Quarter 2 | 88 | 40 | 48 | 55 | 35 | 20 |
| | | | | | | |
The total number of songs downloaded by B in quarter 3 = 75 * 9/5
= 135
The total number of cultural songs downloaded by B in quarter 2 and quarter 3 = 55 * 2
= 110
The total number of cultural songs downloaded by B in quarter 3 = 110 - 35 = 75
Hence, the total number of modern songs downloaded by B in quarter 3 = 135 - 75
= 60