PA answer pong nasa pic thank you and God bless
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PA answer pong nasa pic thank you and God bless
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Problem: Luna is thrice as old as Katelyn. If 7 is subtracted to Luna’s age and 5 is added to Katelyn’s age, then the sum of their ages is 34. What are there ages?
Solution: Represent x and y as the ages of Luna and Katelyn respectively. Make the equations on the given statement.
- Substitute x from the first equation to the second equation in terms of y.
- Thus, Katelyn is 9 years old. Substitute the age of Katelyn (x) to the first equation to find Luna’s age.
- Therefore, Luna’s age is 27 years old, while Katelyn is 9 years old.
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