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In 5 years, A will be 3 times as old as B. If B is currently 10 years old, how o
In 5 years, A will be 3 times as old as B. If B is currently 10 years old, how old is A now?
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In 5 years, A will be 3 times as old as B. If B is currently 10 years old, how old is A now?
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In 5 years, B will be 15. Therefore, A will be 3 * 15 = 45. So, A is currently 45 - 5 = 40 years old.
Questions & Step-by-step Solutions
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Q
Q: In 5 years, A will be 3 times as old as B. If B is currently 10 years old, how old is A now?
Solution:
In 5 years, B will be 15. Therefore, A will be 3 * 15 = 45. So, A is currently 45 - 5 = 40 years old.
Steps: 4
Show Steps
Step 1: Identify B's current age, which is 10 years old.
Step 2: Calculate B's age in 5 years: 10 + 5 = 15 years old.
Step 3: According to the question, in 5 years, A will be 3 times as old as B. So, calculate A's age in 5 years: 3 * 15 = 45 years old.
Step 4: To find A's current age, subtract 5 years from A's age in 5 years: 45 - 5 = 40 years old.
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