Answer:
x = 7/2 y = 5/2
Step-by-step explanation:
You can either use the elimiation or adding and subtracting method to get the variables for both x & y.
Once you solved for one variable, plug in the variable you just solved back into the original equation to find the other variable.
I swear if it’s wrong I’m sorry ok but it’s 3 for me
Alternatively, you could have wrote down the formula instead of describing it with words. maybe then I could have helped you
She needs 10 more plates to get 30
