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The exercise states:

**Exercice 2:**
Gauthier bought a bag of 350g of candies and has already eaten \( \frac{3}{7} \) of it. Calculate in two different ways how many grams of candies he has left.

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### Solution

1. **Total weight of candies = 350g.**
2. **Amount eaten = \( \frac{3}{7} \) of 350g.**

To calculate the weight Gauthier has eaten:
\[
\text{Weight eaten} = \frac{3}{7} \times 350 = \frac{3 \times 350}{7} = 150 \text{ grams}.
\]

Now, the amount of candies he has left:
\[
\text{Weight left} = 350 - 150 = 200 \text{ grams}.
\]

So, **Gauthier has 200g of candies left**.

Would you like further details on the alternative calculation method or have any questions? Here are some related questions to think about:

1. How would the amount left change if Gauthier had eaten \( \frac{4}{7} \) instead?
2. Can you express the fraction of candies left as a ratio?
3. What percentage of the total bag has Gauthier eaten?
4. How many grams would he have left if the bag weighed 500g instead of 350g?
5. How would the calculation change if Gauthier ate a fraction of the remaining candies?

**Tip:** When working with fractions, it's often useful to express the remainder by subtracting the fraction eaten from 1.

Gauthier a acheté un sachet de 350g de bonbons et en a déjà mangé les 3/7. Calculer de deux façons différentes combien de grammes de bonbons il lui reste.

Learn how to calculate how many grams of candy are left after eating 3/7 of a 350g bag of candies. This problem demonstrates fraction multiplication and basic subtraction, suitable for Grades 5-7.

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