Hi

Let x represent the number of boys

 8/7 = 56/x

 8x = 7*56

  x = 7*56/8

  x = 49 boys   Total of 105 on the trip 

RELATED QUESTIONS

If 431 students go on a class trip and there are 7 more boys than girls, how many of boys  (answered by Fombitz)

There are 60 students going on a field trip. 40 percent are girls. How many students are... (answered by TimothyLamb)

On a school trip, for every one boy, there are 5 more girls.  On the trip there was a... (answered by Alan3354)

Gale and her classmates are taking a trip. The number of girls going on the trip was 5... (answered by ikleyn)

A group of 18 students went on a field trip.  There were 4 more girls than boys.  How... (answered by vheroli)

A group of children went on a field trip.  Of them, 5/8 were boys.  If there were 27... (answered by josgarithmetic)

There are 15 girls and 75 boys on a class field trip to the amusement park. The students... (answered by Theo)

There are n chaperones on a field rip. The number of boys on the trip is 6 less than... (answered by josmiceli)

A school policy requires that there be at least one chaperone for every 8 students on a... (answered by rfer,solver91311)