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the total number of participants who went on the seventh-grade field trip to the Natural Science Museum consisted of all of the seventh-grade students and 7 adult chaperones. Two-thirds of the total participants rode a large bus, and the rest rode a smaller bus. if 54 students rode the large bus, how many students went on the field trip?

Verified Answer :

the large bus has 54 students and holds 2/3rds of all the participants then you can use the equation 54=x(2/3) so x=54(3/2)=81. So you have 81 participants but 7 of them are chaperones so subtract 7 from 81 to find how many students you have.
54=(2/3)x
x=54(3/2)=81
81-7=74
so you have 74 students

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