diners frequently add 15% tip when charging a meal to a credit card.what is the price of the meal without the tip if the amount is $13.80? how much was the tip

Answer 1

1.15x = 13.80

Solve for x, then subtract from $13.80.

Answer 2

Diners frequently add a 15% tip when charging a meal to a credit card. what is the total amount charged if the cost of the meal, without tip, is $45?

Answer 3

6.75