Let H be the number hats and J the number of jackets. Then, we can write,
Now, since they want 250 items at least, we can write
Hence, the system of inequalities is
3. [1,5 punts] Si en un partit el Camp Nou s'ha omplert parts de la seva capacitat, quants espectadors han anat? I si s'ha posat
1 answer:
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