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Mathematics, 21.11.2019 06:31 wrightdarius78

In a nursery class of 18 pupils, the average is 4 \frac{1}{2}
years. what is the sum of the ages of pupils?

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In a nursery class of 18 pupils, the average is 4[tex] \frac{1}{2} [/tex]
years. what is the su...
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