lounaventurini lounaventurini

07-04-2024
Mathematics

contestada

Un smartphone avec sa coque coute 60 €.
Le smartphone coute 50 € de plus que la coque.
• Combien coute la coque ?

Respuesta :

mathstudent55 mathstudent55

07-04-2024

Answer:

La coque coute 5 €.

Step-by-step explanation:

s = prix de smartphone

c = prix de coque

s + c = 60

(+) s - c = 50

--------------------------

2s = 110

s = 55

s + c - 60

55 + c = 60

c = 5

La coque coute 5 €.

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