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IceJOKER [234]
1 year ago
8

During a school event, there were 8 times as many pupils as teachers and there were three times as many boys as girls. There wer

e 70 fewer teachers than boys. How many people were there at the school event?
Mathematics
1 answer:
Lilit [14]1 year ago
3 0
We know that pupils are students

Students = S
boys = B
Teachers = T

So....

S = 8T
Boys = 3G
T = B - 70

Since there is 8x students than teachers, I did Boys = 6x and girls = 2x

I'm going to use this next: S = 8T

8x = 8(B -70)

8x = 8(6x - 70)

8x = 4x - 560

x = 14

We know there is 8x students, so there are 112 students and we know that there is 1/8 of teachers, so there are 14 teachers.

Answer = 126.
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