I could be wrong but I got(1,8.5)
The answer is
y=3
x=2
Also, substitution is just a type of method to solve for x and y.
Tell me if you want the steps for solving it
Answer:
What shape is this for ?
Step-by-step explanation:
Through the days Tuesday and Thursday the girls sold one hundred cookies, which left them with forty. How many did they have to begin with?