Add the chaperones to students: 3 +20 = 23
Divide total people by that:
92 / 23 = 4
Multiply that number by the number of chaperones in the ratio:
4 x 3 = 12
There are 12 total chaperones.
Answer:
Number of chaperones on the trip were 12.
Step-by-step explanation:
Let there were x students on the trip.
Number of chaperones on 20 students = 3
Therefore, number chaperones required for x students = [tex]\frac{3}{20}\times x[/tex]
Total number persons = Number of students + Number of chaperones
= x + [tex](\frac{3}{20}\times x)[/tex]
= [tex]\frac{23x}{20}[/tex]
Since number of persons on the trip has been given as 92.
92 = [tex]\frac{23x}{20}[/tex]
x = [tex]\frac{20\times 92}{23}[/tex]
= 80
Therefore, number of students on the trip are 80.
And number of chaperones on the trip = 92 - 80 = 12
