Răspuns :
90--------60
x -------- 50
x=50 * 90 : 60
x = 75 km
prin * am notat imultirea
x -------- 50
x=50 * 90 : 60
x = 75 km
prin * am notat imultirea
90km .... 60 min
x ..... 50 min
90/x=50/60
x=[tex] \frac{50}{60} [/tex]*[tex] \frac{90}{1} [/tex]
x= [tex] \frac{4500}{60} [/tex]
x=75km
x ..... 50 min
90/x=50/60
x=[tex] \frac{50}{60} [/tex]*[tex] \frac{90}{1} [/tex]
x= [tex] \frac{4500}{60} [/tex]
x=75km