Question a-scho
A school district is forming a committee to discuss plans for the construction of a new high school. Of those invited to join the committee, 15% are parents of students, 45% are teachers from the current high school, 25% are school and district administrators, and the remaining 6 individuals are students. How many more teachers were invited to join the committee than school and district administrators?
A school district is forming a committee to discuss plans for the construction of a new
Hard-difficulty · SAT Math · Percentages — Finding original amount from percent change. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
The correct answer is 8. The 6 students represent 
of those invited to join the committee. If x people were invited to join the committee, then 
. Thus, there were 
people invited to join the committee. It follows that there were 
teachers and 
school and district administrators invited to join the committee. Therefore, there were 8 more teachers than school and district administrators invited to join the committee.
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