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Chanllenging Math Problem
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TOPIC: Chanllenging Math Problem
#4593
Chanllenging Math Problem 1 Year, 5 Months ago Karma: 0
9 fewer pupils in the lower primary than the upper primary signed up for the mass run this term.2/3 of all those registered were boys .3/7 of the lower primary were girls. 1/4 of the pupils in the upper primary were girls.H ow many boys took part in the mass run?

thank for helping
yhlee
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#4594
P6 Maths 1 Year, 5 Months ago Karma: 43
yhlee wrote:
9 fewer pupils in the lower primary than the upper primary signed up for the mass run this term.2/3 of all those registered were boys.3/7 of the lower primary were girls.1/4 of the pupils in the upper primary were girls.How many boys took part in the mass run?
Answer is 90 boys took part in the mass run.

Check
Boys: 90
Girls: 45

Upper Primary: 72 pupils
Boys: 54
Girls:18

Lower Primary: 63 pupils
Boys: 36
Girls: 27

Is this correct and where is this question from?
Perseverance
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#4601
Re:Chanllenging Math Problem 1 Year, 5 Months ago Karma: 0
ya is correct is taken from my mock exam 2 in my school but what is the steps???
yhlee
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