Question
P5.ST.JC.18121200-A1
The average cost of 5 textbooks is $30.
The average cost of 4 textbooks is $10.
What is the cost of 5th book?
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Primary 5 STRATEGIES P5.ST.JC.18121200

28 Jun 2024, 08:02 AM

The average cost of 5 textbooks is $30.
The average cost of 4 textbooks is $10.
What is the cost of 5th book?
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