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15 Mar 2023, 07:42
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To make 10's, you need 2's and 5's. There will be fewer 5's in 40! simply because 5 is a larger number. So, count the number of 5's by counting all of the multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40. This gives you eight 5's
But remember, 25 has two 5's in it because it's 5 squared, so that gives you nine 5's
But remember, 25 has two 5's in it because it's 5 squared, so that gives you nine 5's
12 Dec 2025, 05:22
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A member just gave Kudos to this thread, showing it’s still useful. I’ve bumped it to the top so more people can benefit. Feel free to add your own questions or solutions.
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A member just gave Kudos to this thread, showing it’s still useful. I’ve bumped it to the top so more people can benefit. Feel free to add your own questions or solutions.
This post was generated automatically.
