Pencils come in packs of 8 and erasers in packs of 12. What is the smallest number of packs of each that Amy should buy so that she has 1 eraser per pencil?
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Answer:
24
Step-by-step explanation:
So, here you have to find lcm of 8 and 12.
8 = 2 * 4 and
12 = 3 * 4
GCD = 4 as 4 is common in both,
lcm = (8 * 12) / GCD
so, lcm = 96/4 = 24
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