Involves discounts, markups and profits. help!?

i need serious help on this.

1.stores cost___
markup rate: 10%
selling price: 64.49

2/. regular price : 20.95
discount rate: 15%
sale price: _____

3.stores cost: 2000
markup rate: 95%
selling price:____

4.regular price: 20.95
discount rate: 15%
sale price:______

5.stores cost: 21.00
markup rate:100%
selling price:_____

6. stores cost:_____
markup rate: 45%
selling price: 25.50

7.stores cost_______
markup rate: 20%
selling price: $55

8.stores cost: 40.00
markup rate:______
selling price:60.00

stores cost:21.90
profit rate: 45%
selling price______

stores cost:$210
profit rate: 36%
selling price:_______




i know this is asking for alot, but plzzzz help.

Answer:
Use calculator
Yea, ya know -you really should probably do your own homework! Good luck!
Sorry, but I think the other people who answered were correct. This looks like your homework.

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