Daryl Yong's answer to Kc's Primary 6 Maths Data Analysis Singapore question.

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Daryl Yong
Daryl Yong's answer
5 answers (Tutor Details)
1st
Let the number of men be x and the number of women be y

(x-1) = 6y
x = 6y+1 — eqn (1)
x = 7(y-1) — eqn (2)

6y+1 = 7y-7
y = 8
x = 49