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Orlov [11]
3 years ago
9

(a) Estimate the number of boys at Hillview.

Mathematics
1 answer:
3241004551 [841]3 years ago
4 0
I say around 210-220 is a good answer
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Answer:

2x - 0.4x ;

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Step-by-step explanation:

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Raul:

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To know if expressions are equivalent :

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Using Arlene's expression:

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Using Raul's expression :

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Since they give the same result, we can conclude that the expression are equivalent

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