Question

Adrien has 4 liters of milk. He drinks y liters each day. If Adrien has x liters of milk left after one week, express d in terms of y.

Answer 1

the correct question is
Adrien has 4 liters of milk. He drinks y liters each day. If Adrien has x liters of milk left after one week, express x in terms of y

we know that
y------------> liters of milk that Adrien drinks each day
x-----------> liters of milk left after one week
in one week
Adrien drinks 7y
and
x=4-7y

the answer is
x=4-7y