Answer:


Here Both the side of equation are same ..
So, it have infinite solution....
Answer:
Elgas is 9 years old.
Step-by-step explanation:
Alvin: 3 x Elgas
36: Alvin + Elgas
36 / 4 : 9
Elgas: 9
Alvin: 27
To check: 27 + 9= 36
Answer:
10x + 4y is the correct answer
Answer:
correct
Step-by-step explanation:

First I found the number of adults by multiplying .60 by 700. It was 420. From there all I had to do was subtract it from 700. Revealing the number of children to be 280.