The table below shows the total number of watches (Analog + Digital) sold by five shopkeepers on Monday along with the ratio of analog to digital watc...
Question
The table below shows the total number of watches (Analog + Digital) sold by five shopkeepers on Monday along with the ratio of analog to digital watches sold by each shopkeeper.
| Shopkeepers | Total Sold Watches | Analog : Digital Ratio |
|---|---|---|
| A | 135 | 5 : 4 |
| B | 140 | 9 : 5 |
| C | 180 | 4 : 5 |
| D | 160 | 13 : 19 |
| E | 150 | 7 : 8 |
What is the difference between the average number of analog watches sold by B, C, and E and the average number of digital watches sold by A, C, and D?