Question
P5.ST.JC.18121200-A1
The average cost of 6 textbooks is $50.
The average cost of 5 textbooks is $30.
What is the cost of 6th book?
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Primary 5 STRATEGIES P5.ST.JC.18121200

13 Jun 2024, 09:01 PM

The average cost of 6 textbooks is $50.
The average cost of 5 textbooks is $30.
What is the cost of 6th book?
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