How many matches did they play in total during the month?
10
How many times did they serve exactly 1 double fault?
2
In how many matches did they serve no double faults?
4
How many students are in room C?
28
How many students are in the building?
130
How many 14-year-olds are in the building?
19
How many 17-year-olds are in the building B, D and E?
1
How many 15-year-olds are in room B, C and D?
22
