Question

@help @GoldPhenoix @koymoi

Answer 1

34.5

Answer 2

So the cost of the meal is 30 dollar (Without tip)
She paid a 15 percent tip.
We must find the cost of the medal + tip.
We can use an equation to solve this.
30 x 1.15 = $34.50
Why? Well, the tip is 15 percent extra from the original.
So it's 100% + 15% = 115 % = 1.15.