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primary 6 | Maths | Data Analysis
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primary 6 Maths Data analysis Singapore

Would appreciate help with this question. Thanks.

Date Posted: 5 years ago

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Snell

5 years ago

nos.
M shoe: u
F shoe: 850 - u

cost
M shoe: $39u
F shoe: 45x(850 - u) = $(38250 - 45u)

38250 - 45u = 39u + 12210
u = 310

money from M shoes is $12 090.

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Date Posted: 5 years ago

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