The average age of A and B is 20 years. If A is replaced by C, the average age becomes 19 years and if B is replaced by C, the average age becomes 21 years. Find the ages of A, B and C.
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The average age of A and B is 20 years. If A is replaced by C, the average age becomes 19 years and if B is replaced by C, the average age becomes 21 years. Find the ages of A, B and C.
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Step-by-step explanation:
Given that: Average age of A and B = 20 years. Average age of C and B = 19 years. Average age of A and C = 21 years.
Answer:
it's ok!
be happy always!
have a bangastic super duper day!
Step-by-step explanation:
the process by which plants use sunlight and energy for make food is called photosynthesis
:)