Question
P5.ST.JC.18121200-A1
The average cost of 5 guide books is $40.
The average cost of 4 guide books is $20.
What is the cost of 5th book?
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Primary 5 STRATEGIES P5.ST.JC.18121200

27 Jun 2024, 03:48 PM

The average cost of 5 guide books is $40.
The average cost of 4 guide books is $20.
What is the cost of 5th book?
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