There are \(50\) apples in a basket. Nuri and Jack eat some of them. Nuri eats \(\frac{1}{5} th\) of the apples and Jack eats \(\frac{2}{5} th\) of those apples. Then answer the following questions.
1. How many apples did Nuri ate?
2. How many apple did Jack ate?
3. How many apple are left without eaten? Give it a rational form.
4.The additive inverse of \(\frac{1}{5}\) is