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## Question

Primary 4 | Maths

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no. of bags: u

no. of muffins: 3u + 5

no. of muffins: 4u - 2

3u + 5 = 4u - 2

u = 7

(a)

7 bags => 7 nbrs

(b)

no. of muffins: 3x7 + 5 = 26

method 2

no. of bags = (5+2)/(4-3) = 7

Imagine handing out 3 muffins to all of your friends.

Now that u want each of them to have 4 instead, you just have to pass one muffin to each of them now. That will be using the 5 muffins that you have left. But you realise u need another 2 means there were 2 people you weren't able to pass it to.

5+2 = 7 people

With that you can find the number of muffins.

7 × 3 + 5 = 26

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