$$8:10$$+$$10$$min+$$30$$min+reading=$$9:45$$  reading=$$25$$min 
Bella got up at 8:10. It took 10 minutes to wash and 30 minutes to eat breakfast. At this moment, she began to read. After reading, she went out. She went out at 9:45. How long did she read? 

  - $$10$$ minutes 
  - $$15$$ minutes 
  - $$20$$ minutes 
  - $$25$$ minutes 
  - $$30$$ minutes 