Discussion
The number 3 divides ‘a’ with a result of ‘b’ and a remainder of 2.
The number 3 divides ‘b’ with a result of 2 and a remainder of 1.
What is the value of a?
Answer: D
Work outward from the second statement.
\[ b = 3 \times 2 + 1 = 7 \]
\[ a = 3b + 2 = 3 \times 7 + 2 = 23 \]
Checking: \( 23 \div 3 = 7 \) remainder 2, and \( 7 \div 3 = 2 \) remainder 1.
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