Question

Q1. There are 80 passengers on a bus. Assuming the avg mass of the passenger is 165kg. if every passenger is also carrying a 22kg bag. what is the percentage increase in mass?

Answer 1

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Answer 2

given 80 passengers in a bus with the average mass per person and weight they are carrying, find increased percentage in mass

Explanation:

1. total no. of passenger be n , $n=80.$  Average mass per person be w, $w=165kg$. Mass of bags each passenger is carrying be c, $c=22kg.$
2. total mass of the passengers= $nw= 80x165= 13200kg$  
3. total increase in mass=total mass of carry bags= $nc= 80x22= 1760kg$  
4. total weight in the bus= $nw+nc= 14960$
5. percentage increase in mass = $\frac{total\ mass\ in\ bus}{increased\ mass\ in\ bus\ }\ x\ 100= \frac{1760}{14960}\ x\ 100 = 11.76$ %