Question
P5.ST.JC.18121202-A1
The average cost of some books is $65.
When another 4 books are added,
the total cost increases by $190.
The average cost becomes $60.
How many books are there in the end?
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Primary 5 STRATEGIES P5.ST.JC.18121202

17 May 2024, 06:42 AM

The average cost of some books is $65.
When another 4 books are added,
the total cost increases by $190.
The average cost becomes $60.
How many books are there in the end?
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