Shes is wrong because 30% of 80 is 24
Step-by-step explanation:
-4x - 2y = 18
+ (4x - 4y = -36)
=> -6y = -18, y = 3
As we added the equations together, we have eliminated x and found y.
Hence the correct answer is "Add to eliminate x".
B. 1 over 18.
Hope this helps
Have a good day
Answer:
south america and north america
Step-by-step explanation: