Answer:
$85
Step-by-step explanation:
100%-20%=80% and 80% = 0.8
So,
0.8x=68
x=85
The answer is 2 because it is quadratic equation
Its not a function because there are two ages that are the same.
Hey there! I'm happy to help!
Here is our equation.
3x+4=19
We subtract 4 from both sides.
3x=15
We divide both sides by 3.
x=5.
Have a wonderful day! :D