Answer:
Soccer: 19 Males
Basketball: 29 females
Total: 40 males, 60 females
Explanation:
MALES FEMALES TOTAL
SOCCER ║ 19 ║ 31 ║ 50 ║
BASKETBALL║ 21 ║ 29 ║ 50 ║
TOTAL ║ 40 ║ 60 ║ 100 ║
[OPTIONS ⇒ 19, 29, 40, 60]
SOCCER:
x + 31 = 50
50 − 31 = 19
19 males
BASKETBALL
21 + y = 50
50 − 21 = 29
29 females
TOTAL:
F: 31 + 29 = 60
M: 19 + 21 = 40
60 + 40 = 100
60 females
40 males