Answer:
The sale price would be $30.
Step-by-step explanation:
2/5 is like saying 20/50. If you take 50 and subtract 20 from that, you will be left with 30.
Answer:

Step-by-step explanation:
That would be a divide by 5: 
Answer:
Statement 1 is correct.
Step-by-step explanation:
Inverse sign is only defined from -90° to 90° therefore statement 2 is false.
It should be f since you can subtract from both sides and divide by negative 1
Answer:
A.Yes B.Yes C.No D.Yes E.No F.No
Step-by-step explanation:
10% of 84 is 8.4 and 84-8.4=76.6 and anything between 76.6-84 could have been the estimate.