SOLUTION: A school with 125 teachers and 4,650 students wants to maintain a student to teacher ratio of 30:1. How many teachers do they need to hire to meet that ratio?

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Question 193972: A school with 125 teachers and 4,650 students wants to maintain a student to teacher ratio of 30:1. How many teachers do they need to hire to meet that ratio?
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
1%2F30=x%2F4650
:
30x=4650
:
x=155
:
155 teachers are needed and there are currently only 125 therefore
:
155-125=30 teachers need to be hired