PROBLEMAS PROPORCIONALES

http://www.mamutmatematicas.com/ejercicios/tabla-proporciones.php?col=2&row=2&type=1&min=0&max=100&decimaldigits=0&answerdecimals=0&workspace=8&metric=1&distancemin=1&distancemax=500&weightmin=1&weightmax=50&mileage1=1&mileage2=1&speed1=1&speed2=1&kgs1=1&kgs2=1&font=Default&FontSize=12pt&pad=8&border=1&color=teal&ptitle=&Submit=Submit