12. The IGCSE results of the 30 members of a rugby squad were as follows: All 30 players passed at least two subjects, 18
players passed at least three subjects, and 3 players passed four
subjects or more. Calculate:
a) how many passed exactly two subjects, 12
b) what fraction of the squad passed exactly three subjects. Ź

Washing machines usually cost between $1.25 and $1.75 per load. Prices for dryers are a whole different ball of wax. Some dryers will charge you between $1 and $2 per load, while other dryers charge you by the minute — say, $0.25 for the first 15 minutes, then an additional $0.25 for every 10 minutes after that.Jul 17, 2019