Question

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Answer 1

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117             71    2      80

x              7.1g   y     z          ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­  1·Ö

   117:x = 71:7.1g     x=11.7g           

 2:y =71:7.1g     y=0.2g              ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­  1·Ö

     80:z= 71:7.1g     z=8g                ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­  1·Ö

Ê£ÓàÂÈ»¯ÄƵÄÖÊÁ¿=100g¡Á25%£­11.7g=13.3g     ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­  1·Ö

¢Æ·´Ó¦ºóÈÜÒºµÄÖÊÁ¿£½100g£­7.1 g £­0.2g£½92.7g         ¡­¡­¡­¡­¡­¡­¡­¡­  1·Ö

                      ¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­  1·Ö

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