Question
P5.ST.JC.18121194-A1
The average cost of 7 books is $50.
After 3 books are removed,
the average cost of the remaining books is $20.
  1. What is the total cost of the 3 books that are removed?
  2. What is the average cost of the 3 books that are removed?
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Primary 5 STRATEGIES P5.ST.JC.18121194

02 May 2024, 08:19 AM

The average cost of 7 books is $50.
After 3 books are removed,
the average cost of the remaining books is $20.
  1. What is the total cost of the 3 books that are removed?
  2. What is the average cost of the 3 books that are removed?
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