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jhitotw
17.02.2021 •
Mathematics
Restaurants frequently add an 18% tip on the pre-tax bill when the party is 8 people or more. The tax is calculated based on the bill before the tip is included. Last night, friends went out to dinner and decided to split the bill evenly. If the bill without tax or tip was $ and the tax was %, how much did each person owe?
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Ответ:
Ответ:
y - 3y = - 1 - 1 ;
- 2y = - 2 ;
y = ( -2 ) / ( - 2) ;
y = 1 ;
And 1 ≠ -1 ; 1 / 3 ;
The solution is 1 ;