Answer:
Romeo ordered 18 roses.
Explanation:
Romeo ordered a bouquet of roses for his girlfriend.
Each rose cost $2.95. and the delivery charge was $8.50.
Delivery is a one time charge.
Let the number of roses ordered be = x
We get the following equation;

Solving for x now;

=>

Dividing both sides by 2.95, we get;
x = 18
Therefore, Romeo ordered 18 roses.