Question

On a school trip, the ratio of teachers to students is 2:21? how many teachers are there?

Answer 1

Number of teacher = 4

Explanation:

Assume:

Total number of person = 46

Given:

Ratio teachers to students = 2:21

Find:

Number of teacher

Computation:

Number of teacher = Total number of person[2/(2+21)]

Number of teacher =46[2/(23)]

Number of teacher = 2[2]

Number of teacher = 4