Answer:
$80.12; approx. $80
Step-by-step explanation:
- multiply 68.48 x 17% or 68.48 x 0.17 = 11.64
- the tax is 11.64
- add 68.48 + 11.64
- her total is $80.12
- rounded it would be $80
Hope this helped!
Are you looking for the name of the method? If so, it's called completing the square.
So you're suppose to isolate the variable by dividing each side by factors that don't contain the variable.
Which equals or at least.. Makes x = −
4
____
I hope this helps, as always. I wish you the best of luck and have a nice day, friend..