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kakasveta [241]
3 years ago
7

Mara si familia ei au economisit bani pentru cumparaturi.Cu o treime din suma au cumparat o tricicleta, cu o treime din rest in

sevalet iar cu 400 o bicicleta. Cit a cotat fiecare obiect?
Mathematics
1 answer:
DochEvi [55]3 years ago
7 0

Answer:

1200

Step-by-step explanation:

Faceti o ecuatie pentru a o rezolva mai usor:

Intrebarea spune ca o treime a fost pentru un tricicleta si o a treia pentru o bicicleta, deci acestea sunt aceeasi valoare. Y este totalul.

    x + x + 400 = y

Exista trei parți ale ecuației și intrebarea spune ca doua treimi sunt utilizari pe bicicleta și tricicleta. Trebuie sa ramana o treime, deci pe a treia (x) trebuie sa fie aceeași cu 400.

Faceți o noua ecuație:

400 + 400 + 400 = ?

Adaugați numerele pentru a obține raspunsul: 1200

Scuze pentru gramatica, nu scriu bine in aceasta limba.

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