Primes, HCF and LCM

Primes, HCF and LCM

Secondary 1

A school has more than \(100\) but fewer than \(160\) stickers.

- When packed in groups of \(6\), exactly \(2\) stickers are left over.
- When packed in groups of \(8\), exactly \(2\) stickers are left over.
- When packed in groups of \(9\), exactly \(2\) stickers are left over.

  1. How many stickers are there?

  2. The teacher removes the \(2\) leftover stickers. She now distributes all the remaining stickers and \(96\) bookmarks into the greatest possible number of identical gift packs. Find the number of packs and the contents of each pack.

Optional hint: Subtract the common remainder before looking for a common multiple.

Solution:

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Answer:(a) \(N=146\) (b) \(48\) identical gift packs, each containing: \(3\) stickers and \(2\) bookmarks.

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