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.
Your answer here is t = -20
-8 = 2/5t
Equation
2/5 = 0.4
2 divided by 5 is 0.4
-8 / 0.4 = -20
Divide -8 by 0.4 which is -20
3x=1x+5
ummm are the red circles a plus or minus ??
A mother function is the simplest function of a family of functions.
