Zoe payed $18.60 in sales tax and tips for her dinner. The sales tax is 11% and she tipped 20%. What was the price of Zoe's dinner, before sales tax and tip

Answer: $60

Step-by-step explanation:

Let the total price of Zoe dinner = x

According to question,

He paid 11 % sales tax 20% on tip.

Therefore, he paid total extra charge = 11 + 20 = 31 %

That is, he paid 31 % extra in sales tax and tips for dinner.

But again according to the question,

Zoe paid $18.60 in sales tax and tips for her dinner.

⇒ 31 % of x = 18.60

⇒

⇒

⇒

⇒ x = 60

Thus, The total cost of Zoe's dinner before tax = $60

56.02 dollars

Step-by-step explanation:

Wanted x, the price before taxes and tip.

sales tax: x * 0.11

+

tip on sales tax: x * 0.11 * 0.2

+

tip on price: x * 0.2

= 0.332x

= 18.6 (presumption)

Therefore,

x = 18.6/0.332 = 56.02