asked 41.5k views
2 votes
Ms Everett found Birthday cards in packs of 6 and envelopes in packs of 9. If she wants to have the same number of cards and envelopes what is the minimum of each she can buy?

2 Answers

1 vote
3 packs of cards and 2 packs of envelopes
5 votes
the lowest common multiple of 6 and 9 is 18

18/6 = 3....she needs 3 packs of cards
18/9 = 2...she needs 2 packs of envelopes

so by buying 3 packs of cards and 2 packs of envelopes, she will have 18 of each
answered
User The Essential
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