Question: The ratio of the number of teachers to students is 1:15. If there are 240 students, how many teachers are there?
A) 15
B) 16
C) 17
D) 18
Solution:
Let the number of teachers and students be x and 15x, respectively. Given that there are 240 students:
15x=240
x = 240⁄15 = 16
The number of teachers is:
x=16
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