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Three years ago, A was 5 years older than B. If B is now 12 years old, how old i
Three years ago, A was 5 years older than B. If B is now 12 years old, how old is A now?
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Three years ago, A was 5 years older than B. If B is now 12 years old, how old is A now?
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Three years ago, B was 12 - 3 = 9 years old. A was 9 + 5 = 14 years old now.
Questions & Step-by-step Solutions
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Q
Q: Three years ago, A was 5 years older than B. If B is now 12 years old, how old is A now?
Solution:
Three years ago, B was 12 - 3 = 9 years old. A was 9 + 5 = 14 years old now.
Steps: 3
Show Steps
Step 1: Determine B's age three years ago. Since B is now 12 years old, we subtract 3 years: 12 - 3 = 9 years old.
Step 2: Find A's age three years ago. We know that A was 5 years older than B at that time. So, we add 5 years to B's age: 9 + 5 = 14 years old.
Step 3: Since we want to find A's current age, we add 3 years to A's age three years ago: 14 + 3 = 17 years old.
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