The following table shows the production of five types of cars by a company for the years 2012 to 2015 .
| Years → | 2012 | 2013 |
2014 |
2015 |
Total |
| Types cars ↓ | |||||
| D1 | 7 | 21 | 17 | 6 | 51 |
| D2 | 15 | 11 | 15 | 14 | 55 |
| D3 | 20 | 15 | 12 | 13 | 60 |
| D4 | 5 | 8 | 9 | 25 | 47 |
| D5 | 19 | 15 | 18 | 15 | 67 |
| Total | 66 | 70 | 71 | 73 | 280 |
Which type of car constituted 30% of all cars produced by the company during 2013 ?
Answer & explanation
Correct answer: option 2
Total number of cars produced in 2013 = 70
30% of total number of cars produced in 2013 = \(\frac{3 }{10}\) × 70
= 21
Car D1 produced 21 cars in year 2013.