Question
P5.ST.JC.18121200-A1
The average cost of 4 colouring books is $60.
The average cost of 3 colouring books is $30.
What is the cost of 4th book?
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Primary 5 STRATEGIES P5.ST.JC.18121200

26 Jun 2024, 04:22 PM

The average cost of 4 colouring books is $60.
The average cost of 3 colouring books is $30.
What is the cost of 4th book?
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