The amount of tea that is left after the student has drank is; ⁴/₅d mL
How to solve fraction word problems?
In word problems on fractions, what we do is that we will solve different types of problems on multiplication of fractional numbers and division of fractional numbers.
For example;
4/7 of a number is 84. Find the number.
Since 4/7 of a number = 84
The, the Number = 84 × 7/4
Number = 147
Now, in this question, we are given;
Quantity of tea in cup = d ml
Amount of tea a student takes out to drink = ¹/₅ of the quantity in the cup.
Thus;
Amount of tea left = d - ¹/₅d
Amount of tea left = ⁴/₅d
Read more about fraction word problems at; https://brainly.com/question/24132459
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