Question

A stadium has a seating capacity of 25,000 people. It took 28 minutes for 21,000
people to vacate the filled stadium using 15 exit doors. In how much time will the
stadium be emptied if people used 10 more exit doors?​

Answer 1

Answer:

26,000 is the correct answer

,thanks

Answer 2

The stadium will be emptied in 3.2 minutes using 10 extra doors.

Let's first find out the rate at which people are vacating the stadium using 15 exit doors:

21,000 people vacated the stadium in 28 minutes using 15 exit doors

So, the rate at which people are vacating the stadium using 15 exit doors is:

$21,000 \div 28 = 750$  people per minute

Now, let's find out how many people can vacate the stadium in one minute using 25 exit doors:

If 15 exit doors can vacate 750 people per minute, then 1 exit door can vacate:

$750 \div 15 = 50$  people per minute

So, 25 exit doors can vacate:

$25 \times 50 = 1,250$  people per minute

Finally, we can find out how much time it will take to vacate the remaining 4,000 people using 25 exit doors:

There are 25,000 seats in the stadium and 21,000 people have already vacated

So, there are  $25,000 - 21,000 = 4,000$  people left to vacate

If 1,250 people can vacate the stadium in one minute using 25 exit doors, then it will take:

$4,000 \div 1,250 = 3.2$  minutes

Therefore, it will take 3.2 minutes to vacate the remaining 4,000 people using 25 exit doors as calculated using proportionality.

Learn more about proportionality at:

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