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pentru 3 batoane de ciocolata si 5 pachete de biscuiti, Radu a cheltuit 10,50 lei. Pentru doua batoane de ciocolata si 3 pachete de biscuiti de acelasi fel, Mara a platit 6,55 lei. Cate batoane de ciocolata se pot cumpara?

User Hithyshi
by
7.7k points

1 Answer

2 votes
For this case, the first thing we must do is define variables:
x: price for each bar of chocolate.
y: price for each package of cookies.
We write the system of equations:
3x + 5y = 10.50
2x + 3y = 6.55
Solving the system we have:
x = 1.25 lei
y = 1.35 lei
Answer:
Each chocolate bar costs 1.25 lei
User Afaq
by
8.1k points
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