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Question
primary 6 | Maths
| Algebra
2 Answers Below
Anyone can contribute an answer, even non-tutors.
Pls assist. Thx
Date Posted: 3 years ago
Views: 496
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Girls> 45% of total
Boys> 55% of total
55%-45%=10%
10%> 20+12
=32
1%> 32÷10
=3.2
55%> 3.2 × 55
=176
Boys> 55% of total
55%-45%=10%
10%> 20+12
=32
1%> 32÷10
=3.2
55%> 3.2 × 55
=176
Date Posted:
3 years ago
10% should be 8; difference betw boy and girls
Umm I think you are confused
Dude, the answer is 44 boys lah. Go and check your working again.
1st group (40 people)
30 boys
10 girls
2nd group (40 people)
14 boys
26 girls
1st group (40 people)
30 boys
10 girls
2nd group (40 people)
14 boys
26 girls
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Note that if there are 20 more boys than girls, boys = n+10, girls = n-10
Date Posted:
3 years ago
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