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primary 6 | Maths | Data Analysis
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Blursotong
Blursotong

primary 6 chevron_right Maths chevron_right Data analysis chevron_right Singapore

Please help. Thank you.

Date Posted: 4 years ago
Views: 210
snell
Snell
4 years ago
nos.
stdnts: 380
tchrs: 4u
parents: 3u
total: 380 + 7u


11 x 3u = 2 x (380 + 7u)
1u = 40

40 more teachers than parents


*note:
diff. = 1u = 40
tchrs: 160
parents: 120
diff. = 40

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Blursotong
Blursotong
4 years ago
Thanks Snell for the clear working.

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Think Learn Grow (TLG) Education Centre
Think Learn Grow (tlg) Education Centre's answer
142 answers (Tutor Details)
1st
From the 4/7, parents make 3/7. Therefore we make parents 6/14 and 6/33, and find the number of units for teachers and students.
Blursotong
Blursotong
4 years ago
Thank you! Appreciate your neat and detailed working!