Question

On a field trip there were 5 girls for every 8 boys. how many girls attended the 130-student field trip?

Answer 1

50 girls attended the trip.
  80 boy + 50 girls = 130 total students
8x10 =80 
5x10=50 
 
multiply both by 10.

Answer 2

well there is no answer since you did not specify the amount of boy and girls on the field trip