Mathematics
Mathematics, 06.08.2019 18:30, davidb1113

Girls remained
ow
11.
bumber of boys and girls. after
10. in a school hall, there was an equal nom
of the boys and 7 of the girls re
some pupils left the hall, only
in the hall. if there were 21 more boys than girls left the hall, how
many pupils remained in the hall?

answer
Answers: 1

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Girls remained
ow
11.
bumber of boys and girls. after
10. in a school hall,...

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