Answer:

Step-by-step explanation:
Given

--- first discount
--- second discount

Required
Determine the amount paid
First, we add the total discount:



If she got a discount of 40%, then she paid 60% (i.e. 100% - 40%)
So:


Calculate the sales tax




Answer:
It would be $0.97
Step-by-step explanation:
You round the nearest cent so you round the second number from the dot
Answer:y+2.9=11, 2y+1=17.2, 28.4-y=20.3
Step-by-step explanation: