Stephen uses \dfrac{2}{25} 25 2 start fraction, 2, divided by, 25, end fraction kilograms of tofu in each serving of his famous tofu dish. he has 1\dfrac{1}{10}1 10 1 1, start fraction, 1, divided by, 10, end fraction kilograms of tofu.

Explanation:

The correct question is

Stephen uses 2/25 kilograms of tofu in each serving of his famous tofu dish. He has 1 1/10 kilograms of tofu.

How many servings can Stephen make?

we know that

Stephen has  1  1/10 kg of tofu.

He uses 2/25 kg in each serving.

To find out how many servings he can make, we will divide  

1 1/10 ÷ 2/25

but first we need to convert mixed number to an improper fraction

so

Convert to mixed number