Answer:
Attached below
Step-by-step explanation:
Hope this helped
Answer:
It would be C. I and II
Step-by-step explanation:
Try this:
1. sum of numbers is x+y=67, the difference between them is x-y=11
2. it is possible to make up and resolve the system:
Answer:s
Step-by-step explanation:
Let the number be x
2/3(30+x) = 26
2(30+x) = 26(3)
60 + 2x = 78
2x = 78 - 60
2x = 18
x = 18/2
x = 9