Answer:
The correct answer is option 3. (20, 4, 5)
Step-by-step explanation:
To solve this problem we use the substitution method.
(i)
(ii)
(iii)
We start by clearing x in (iii) and clearing y in (ii).
(iii)
(ii)
Now we substitute (iii) in (ii)
(iv)
Now we substitute (iii) and (iv) into (i) and clear z.
(v)



If
(v)
We substitute (v) in (iii) and then substitute (v) in (iv)

The correct answer is option 3.
No solution because both equations have 2x on the same side.
Answer:
per- hundred
Step-by-step explanation:
Answer:

Step-by-step explanation:
So, Tanvi started with b buttons.
And she gave away 17.
Since she "gave away," this means that we should use subtraction.
Therefore, she now has b-17 buttons.
Our expression is:

Answer: 2:7 times
Step-by-step explanation: hope it helps u