Question
P5.ST.JC.18121205-A1
The average cost of some books is $40.
If 5 of the books are now each $15 more,
the average cost of the books becomes $45.
How many books are there altogether?
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Primary 5 STRATEGIES P5.ST.JC.18121205

22 May 2024, 03:27 AM

The average cost of some books is $40.
If 5 of the books are now each $15 more,
the average cost of the books becomes $45.
How many books are there altogether?
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