Question
P5.ST.JC.18121205-A1
The average cost of some books is $42.
If 3 of the books are now each $10 more,
the average cost of the books becomes $44.
How many books are there altogether?
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Primary 5 STRATEGIES P5.ST.JC.18121205

01 Jun 2024, 11:03 AM

The average cost of some books is $42.
If 3 of the books are now each $10 more,
the average cost of the books becomes $44.
How many books are there altogether?
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