Question

Vicente se gasta 20 euros en Un pantalon y una camisa no save el presio de cada prenda pero si save que la camisa vale dos quintas partes de lo que
vale el pantalon ¿cuanto vale el pantalon?

Answer 1

camisa ; 2x/5  pantalón : x                       x+2x/5=20                                                                                                                     5x+2x=100                                                                                                                    7x =100             x=100/7          x=14,28      redondeamos 14,3                                                                                                                                                                                                                                                                                                                                                                                                                

  el pantalón cuesta 14,3