Jim reads at a rate of 40 pages an hour

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?

GSM8K — Grade School Math 8K (Cobbe et al., OpenAI, 2021) · train #4608