Answer:
There are 3 red roses in Amy's garden.
Explanation:
Given:
There are 4 times as many pink roses as red roses in Amy's garden.
There are 9 more pink roses than red roses.
Now, to find the red roses in Amy's garden.
Let the number of red roses be
.
So, the number of pink roses =

As given, there are 9 more pink roses than red roses.
According to question:

Subtracting both sides by
we get:

Dividing both sides by 3 we get:

Therefore, there are 3 red roses in Amy's garden.