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-Dominant- [34]
2 years ago
13

O parte din traseul Bușteni-Babele a fost parcurs de mai multi turiști astfel: in prima ora 1/3 din distanta, a doua ora 1/4 din

distanta. Dupa cele doua ore le-au mai ramas de parcurs 5km. Care este distanta parcursa de turiști?
Mathematics
1 answer:
RoseWind [281]2 years ago
4 0

Answer:

7km

Step-by-step explanation:

\frac{1}{3} x +  \frac{1}{4} x =  \frac{4}{12} x +  \frac{3}{12} x =  \frac{7}{12} x \\   \\  \\ x -  \frac{7}{12} x =  \frac{12}{12} x -  \frac{7}{12} x =  \frac{5}{12} x \\  \\  \frac{5}{12} x = 5 -  -  -  > x = 12

12 \times  \frac{7}{12}  = 7

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