Mei Ling is arranging chairs for a school event. She can arrange them in rows of 4 with none left over, or in rows of 6 with none left over. What is the smallest number of chairs she could have?
Show Worked Solution
Worked Solution
Step 1: List multiples of 4.
4, 8, 12, 16, 20, 24 ...
Step 2: List multiples of 6.
6, 12, 18, 24 ...
Step 3: Find the first number that appears in both lists.
12 appears in both lists.
Step 4: The Lowest Common Multiple (LCM) is 12.
Mei Ling could have 12 chairs.
Correct answer: 12
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