Correct option is C
C
School A (Girls):
- 2016: 4.7 (hundreds) = 470
- 2017: 5.3 (hundreds) = 530
- 2018: 7.9 (hundreds) = 790
- 2019: 10.7 (hundreds) = 1070
- 2020: 11.9 (hundreds) = 1190
Total girls in School A = 470 + 530 + 790 + 1070 + 1190 = 4050
School B (Girls):
- 2016: 4.2 (hundreds) = 420
- 2017: 3.3 (hundreds) = 330
- 2018: 5.3 (hundreds) = 530
- 2019: 6.5 (hundreds) = 650
- 2020: 6.9 (hundreds) = 690
Total girls in School B = 420 + 330 + 530 + 650 + 690 = 2620
School C (Girls):
- 2016: 3.5 (hundreds) = 350
- 2017: 5.5 (hundreds) = 550
- 2018: 6.4 (hundreds) = 640
- 2019: 4.3 (hundreds) = 430
- 2020: 5.4 (hundreds) = 540
Total girls in School C = 350 + 550 + 640 + 430 + 540 = 2510
School D (Girls):
- 2016: 7.7 (hundreds) = 770
- 2017: 4.7 (hundreds) = 470
- 2018: 3.5 (hundreds) = 350
- 2019: 6.8 (hundreds) = 680
- 2020: 7.6 (hundreds) = 760
Total girls in School D = 770 + 470 + 350 + 680 + 760 = 3030
Comparing the totals:
- School A: 4050
- School B: 2620
- School C: 2510
- School D: 3030
The school with the lowest number of girl students is School C with 2510 girls.