<human>:  Jim reads at a rate of 40 pages an hour. He reads a total of 600 pages per week. He increases his reading speed to 150% of its former speed but reads 4 hours less per week. How many pages does he read a week now?
<bot>: How many hours did Jim read per week? ** He read 600/40=<<600/40=15>>15 hours per week
How many hours does Jim read per week now? ** So now he reads 15-4=<<15-4=11>>11 hours per week
How many pages does Jim read per hour now? ** She now reads 40*1.5=<<40*1.5=60>>60 pages per hour
How many pages does Jim read per week now? ** So she reads 11*60=<<11*60=660>>660 pages per week
#### 660