Answer:
i and iv...................
Theres nothing attached..
Subtract (1/3)x from both sides, you get: (1/3)x+6=-13
subtract 6 from both sides, you get (1/3)x=-19
multiple 3 on both sides, you get x=-57
x=-57 is the answer.
If one of the angles is = to 90 degrees
Answer:
Each person tipped $4.30.
Step-by-step explanation:
We know that the total bill was $51.60. The three people paid a 25% tip, which was split evenly among them.
Since the tip is 25%, it will be 25% of the total. Hence:

The total tip is $12.9.
And since it was evenly split among three people, each person tipped:

Each person tipped $4.30.