Answer:
Step-by-step explanation:
Let "Hannah" = h, and her sister = s
h = 2s
h + s ≤ 18
Plug in 2s for h in the second equation.
(2s) + s ≤ 18
Simplify
2s + s ≤ 18
3s ≤ 18
Isolate the variable (s). Divide 3 from both sides
(3s)/3 ≤ (18)/3
s ≤ 18/3
s ≤ 6
2) The oldest Hannah's sister can be is <em>6 years</em>
<em>~</em>
Answer:
its the 3rd one
Step-by-step explanation:
Bcs i know
Answer:
I believe the answer would 25 hope this helps
Step-by-step explanation: