File: /var/www/content-sp/wiris-formulas/28e7ae3080f049f658e438d8df7b9fb6.ini
mml=<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>Let</mi><mi mathvariant="normal"> </mi><mi>the</mi><mi mathvariant="normal"> </mi><mi>number</mi><mi mathvariant="normal"> </mi><mi>of</mi><mi mathvariant="normal"> </mi><mi>girls</mi><mi mathvariant="normal"> </mi><mi>in</mi><mi mathvariant="normal"> </mi><mi>the</mi><mi mathvariant="normal"> </mi><mi>class</mi><mi mathvariant="normal"> </mi><mi>be</mi><mi mathvariant="normal"> </mi><mi mathvariant="normal">x</mi><mo>.</mo><mspace linebreak="newline"/><mi>According</mi><mi mathvariant="normal"> </mi><mi>to</mi><mi mathvariant="normal"> </mi><mi>the</mi><mi mathvariant="normal"> </mi><mi>question</mi><mo>,</mo><mspace linebreak="newline"/><mo>=</mo><mfrac><mrow><mn>25</mn><mo>×</mo><mn>34</mn><mo>+</mo><mi mathvariant="normal">x</mi><mo>×</mo><mn>42</mn></mrow><mrow><mn>25</mn><mo>+</mo><mi mathvariant="normal">x</mi></mrow></mfrac><mo>=</mo><mn>37</mn><mspace linebreak="newline"/><mo>⇒</mo><mi mathvariant="normal"> </mi><mn>850</mn><mi mathvariant="normal"> </mi><mo>+</mo><mi mathvariant="normal"> </mi><mn>42</mn><mi mathvariant="normal">x</mi><mi mathvariant="normal"> </mi><mo>=</mo><mi mathvariant="normal"> </mi><mn>37</mn><mi mathvariant="normal"> </mi><mo>×</mo><mi mathvariant="normal"> </mi><mn>25</mn><mi mathvariant="normal"> </mi><mo>+</mo><mi mathvariant="normal"> </mi><mn>37</mn><mi mathvariant="normal">x</mi><mspace linebreak="newline"/><mo>⇒</mo><mi mathvariant="normal"> </mi><mn>850</mn><mi mathvariant="normal"> </mi><mo>+</mo><mi mathvariant="normal"> </mi><mn>42</mn><mi mathvariant="normal">x</mi><mi mathvariant="normal"> </mi><mo>=</mo><mi mathvariant="normal"> </mi><mn>925</mn><mi mathvariant="normal"> </mi><mo>+</mo><mi mathvariant="normal"> </mi><mn>37</mn><mi mathvariant="normal">x</mi><mspace linebreak="newline"/><mo>⇒</mo><mi mathvariant="normal"> </mi><mn>42</mn><mi mathvariant="normal">x</mi><mi mathvariant="normal"> </mi><mo>-</mo><mi mathvariant="normal"> </mi><mn>37</mn><mi mathvariant="normal">x</mi><mi mathvariant="normal"> </mi><mo>=</mo><mi mathvariant="normal"> </mi><mn>925</mn><mi mathvariant="normal"> </mi><mo>–</mo><mi mathvariant="normal"> </mi><mn>850</mn><mspace linebreak="newline"/><mo>⇒</mo><mi mathvariant="normal"> </mi><mn>5</mn><mi mathvariant="normal">x</mi><mi mathvariant="normal"> </mi><mo>=</mo><mi mathvariant="normal"> </mi><mn>75</mn><mo>⇒</mo><mi mathvariant="normal">x</mi><mo>=</mo><mfrac><mn>75</mn><mn>5</mn></mfrac><mo>=</mo><mn>15</mn></math>