Answer:
whats up? whats tha questionn :)
Step-by-step explanation:
ok what is thepromblem
5x + X/3 = 38.4
or, 5x* 3 + X = 38.4*3
or,. 15x + X. = 115.2
or,. 16 X. = 115.2
or,. X. = 115.2/16
X = 7.2
12 years old.
1) 2x+x=18
2) Now solve 2x+x=18
Add alike terms
3x=18
Now divide both sides by 3 (3x/3 and 18/3)
x=6
So Hannah is 6 years old. Her sister must be 12.
216x
I hope this helps!
