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<quiz>
 <!-- categoryid: 449 -->
 <question type="category"><category><text>Categoria per defecte en Matemàtiques - 4t dESO/Equacions/Eq. primer grau/Equacions de primer grau/Problemes amb equacions de 1r grau</text></category></question>
 
 <!-- resourceid-resourcedataid: 4650-4190 -->
 <question type="calculated">
    <name><text>Barreja vi rosat</text>
</name>
    <questiontext format="html">
<text><![CDATA[<p>En una bodega, es vol fer vi rosat mesclant <span lang="CA">vi negre de {n} €/litre amb vi blanc de {b} euros/litre i obtenim {l} litres de vi de {r} euros el litre, quants litres <strong>de vi negre</strong> hem utilitzat?</span></p>
 <p><span lang="CA">(Utilitza 2 decimals pel resultat)</span></p>]]></text>
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<text></text>
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    <text>{l}*({r}-{b})/({n}-{b})</text>
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</answer>
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        <dataset_item>
           <number>37</number>
           <value>4.4</value>
        </dataset_item>
        <dataset_item>
           <number>38</number>
           <value>4.8</value>
        </dataset_item>
        <dataset_item>
           <number>39</number>
           <value>4.6</value>
        </dataset_item>
        <dataset_item>
           <number>40</number>
           <value>5.9</value>
        </dataset_item>
        <dataset_item>
           <number>41</number>
           <value>5.6</value>
        </dataset_item>
        <dataset_item>
           <number>42</number>
           <value>5.8</value>
        </dataset_item>
        <dataset_item>
           <number>43</number>
           <value>4.4</value>
        </dataset_item>
        <dataset_item>
           <number>44</number>
           <value>4.0</value>
        </dataset_item>
        <dataset_item>
           <number>45</number>
           <value>4.6</value>
        </dataset_item>
        <dataset_item>
           <number>46</number>
           <value>5.4</value>
        </dataset_item>
        <dataset_item>
           <number>47</number>
           <value>5.1</value>
        </dataset_item>
        <dataset_item>
           <number>48</number>
           <value>4.9</value>
        </dataset_item>
        <dataset_item>
           <number>49</number>
           <value>5.5</value>
        </dataset_item>
        <dataset_item>
           <number>50</number>
           <value>5.4</value>
        </dataset_item>
    </dataset_items>
    <number_of_items>50</number_of_items>
</dataset_definition>
</dataset_definitions>
</question>
 </quiz>
