The fifth-grade classes at brookfield school used five identical buses to go on a field trip. •there were a total of 40 seats on each bus. •all of the seats on four buses were filled. •the fifth bus had 4/5 of the seats filled. •1/8 of all the passengers on the buses were adults. how many adults went on the field trip.

First things first, you need to figure out the amount of passengers on the fifth bus.

Solution:
40 x 4
--      -  = 32 passengers
 1  x 5
*The fifth bus has 32 people.
You can now figure out the total number of passengers in all of the buses.

(40 x 4) + 32 = 192
*Overall, all 5 buses have a total of 192 passengers.
Since you have the total number of passengers, you can now figure out the numbers of adults who went on the field trip, which is 1/8 of all the passengers.

Solution:
192 x 1
   - = 24 passengers
  1   x 8

The final answer is: 24 adults went on the field trip.

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