Un viajante ha recorrido dos quintos de la distancia que debe hacer en un día. Si hubiese recorrido 20 km más, habria recorrido siete quinceavos del total ¿Cuál es el trayecto total que tenía que recorrer?

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The great thing about this problem is they give you everything you need to solve it easily. so the expression is: 12h+30w12h+30wand so everywhere you have an “h” you place 66. and everywhere you have a “w” you place 33. then the expression will look like this: 12(66)+30(33)12(66)+30(33)from here you multiply and then add. getting the following of: $785,862hope this

Solution: x2+4x=276x=27,x=9/2answer: no