John scores 2 shots worth 2 points and 1 shot worth 3 points every 4 minutes.  He plays for 2 periods.  Each period is 12 minutes.  How many points does he score?
How many minutes did he play? ** He played for 2*12=<<2*12=24>>24 minutes
How many points does he get from the two-point shots? ** He gets 2*2=<<2*2=4>>4 points per minute from the two-point shots
How many points does he score? ** So he scores 4+3=<<4+3=7>>7 points per minute
How many intervals are there? ** There are 24/4=<<24/4=6>>6 intervals
How many points does he score? ** So he scores 7*6=<<7*6=42>>42 points
#### 42