Easy
A teacher buys pencils and erasers. He wants to buy the same number of pencils as erasers. Pencils are sold in packs of , and erasers are sold in packs of .
What is the least number of packs of pencils and packs of erasers the teacher should buy?
2 packs of pencils and 3 packs of erasers
3 packs of pencils and 2 packs of erasers
4 packs of pencils and 3 packs of erasers
3 packs of pencils and 4 packs of erasers
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