Question
P5.ST.JC.18121201-A1
The average cost of three books is $90.
Two of the books cost $40 and $50.
What is the cost of the 3rd book?
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Primary 5 STRATEGIES P5.ST.JC.18121201

16 May 2024, 07:06 PM

The average cost of three books is $90.
Two of the books cost $40 and $50.
What is the cost of the 3rd book?
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