Question
P5.ST.JC.18121200-A1
The average cost of 7 colouring books is $70.
The average cost of 6 colouring books is $50.
What is the cost of 7th book?
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Primary 5 STRATEGIES P5.ST.JC.18121200

30 Jun 2024, 10:01 PM

The average cost of 7 colouring books is $70.
The average cost of 6 colouring books is $50.
What is the cost of 7th book?
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