Mathematics, 11.03.2021 02:40 mydoggy152

PLEASE tell me all your steps! you dont have to do all just pick some or one and do them and tell me the steps 4.Original value:140 New value:98 what is the percent change

5. an item priced $30.82 is on sale for a 15% off. What is the sale price of the item

6. if the sales tax rate is 7.6%, how much will you pay on a $330 item

7. a $129 item is marked up 20% how much is the markup

8.four friends go out to eat and their meal costs $86.50. The sales tax is 6.75% and they should tip the waiter 20% how much should each person pay to the nearest cent

9.original cost: $35 new cost: $38.22
what is the percent increase

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PLEASE tell me all your steps! you dont have to do all just pick some or one and do them and tell me...