$120 and the ratio is 3:2
$200 6:4 and half
T=PV/Rn you just divide both sides by Rn
If you are trying to find the area the answer would be 48
The cost equation has a constant rate of change, so this is a line of the form:
y=mx+b, you are told that there is a flat fee of $5 and an hourly rate of $2 so
y=2x+5
The y-intercept (the value of y when x=0) is 5. The point (0,5) on the line.
