3.
The salary of the principal of a school is 30000, 5 teachers
get a salary of 20000 each, 10 teachers get a salary of
15000 each and other 4 teachers get a salary of x 12000
each. Find the average salary of the whole staff of the school
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Answer:
might be 77,000
Step-by-step explanation:
do no exactly.....how to explain it....
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