The total cost of the dinner with a pre-tax tip would be $65.78. If you paid this with a $100 bill, you would get $34.22 back.
Answer:
20 and 3/7
Step-by-step explanation:
-20
multiply 5 and 6 then 5 and -10
30-50=-20
the question is not so clear
is it (x+3)/3 or what you have written is correct
50