Answer:
Sarah is 10 years old
Step-by-step explanation:
2A + 3S = 34 (S = 5A) x -3 -3S = -15A -3S + 15A =0
+ 15A - 3S =0 Add both equations together
17A = 34
A = 2 Plug 2 in for A in the first equation
2(2) + 3S = 34
4 + 3S = 34
-4 -4
3S = 30
S = 10 If this answer is correct, please make me Brainliest!