$160\div50=3R10$, $3+1=4$ 
One tour bus can seat no more than $$50$$ people. What is the smallest number of buses needed to take $$160$$ people? (Adapted from 2000 Math Kangaroo Problem, Level 3-4, Question \#6) 

  - $$1$$ 
  - $$2$$ 
  - $$3$$ 
  - $$4$$ 
  - $$5$$ 