Answer:
Step-by-step explanation:
Hope this helps :)
Answer:
1 and 10
Step-by-step explanation:
I need the equation to be able to help
For this case we have the following equation:

We must clear the value of the variable "x" as a function of r, s and t:
If we multiply by "r" on both sides of the equation we have:

If we subtract "t" on both sides of the equation we have:

If we divide by "2" on both sides of the equation we have:

Thus, the value of the variable "x" is:

Answer:

You paid 15 cent because 3 divided by 20 is 0.15