Jodie has just begun to read a $$160$$-page book. If she reads $$20$$ pages every day, she will finish the book in $$160 \div 20 =8$$ days. 
Jodie has just begun to read a $$160$$-page book. If she reads $$20$$ pages every day, she will finish the book in ． 
  - $$8$$ days 
  - $$18$$ days 
  - $$20$$ days 
  - $$80$$ days 