Answer:
If I am right you have to multiply 8 by 30 and than divide it by 12 the answer it will give you is x
John will receive $9.80 back
So first, you will do $10.05x2
Then add the product of that to $18.95
Next you will get the sum of that and multiply it by 7%
Finally you will round to the nearest hundredth (0.01)
You will need the graph for this questions