Answer:
m=4
n=3
Step-by-step explanation:
m+2n=10
2n+3m=18
Subtract
-2m=-8
m=4
Solve for n
(4)+2n=10
2n+3(4)=18
2n=10-4
2n=18-12
2n=6
n=3
It would be 12+n=4n
The sum (+) of 12 and a number (n) is (=) 4 times a number (4n)
There is a math app called desmos past the graph equations and it will show you the answer. But i will comment below and tell you the answer if you don't want to
14/420
14*3=42
14*0=0
Ur answer is 30
Prove
30*14=420
The population seems like a young age group.
