Question
P5.ST.JC.18121195-A1
The average cost of 8 books is $80.
After 2 new books are added,
the average cost of all the books is $70.
  1. What is the total cost of the 2 books that are added?
  2. What is the average cost of the 2 books that are added?
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Primary 5 STRATEGIES P5.ST.JC.18121195

02 May 2024, 08:21 PM

The average cost of 8 books is $80.
After 2 new books are added,
the average cost of all the books is $70.
  1. What is the total cost of the 2 books that are added?
  2. What is the average cost of the 2 books that are added?
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