Answer:
y = x + 0.4
Step-by-step explanation:
It is given that Diego collected x kg of recycling.
Let us assume that Lin collected y kg of recycling.
It is also given that Lin collected 2/5 more than that collected by Diego.
Therefore, the equation that describes the relation between x and y is given by y = x + 2/5,
⇒ y = x + 0.4 (Answer)