5 questions! Thank you for your help! Write an equation for each problem. Then solve. If necessary, round your answers to the nearest hundredth.

1. A bike that costs $415 is on sale for 30% off.
a. What is the sale price of the bike?
b. What is the total price you pay if there is 7% tax?

2. You go out to dinner with 5 friends. The bill at the end of your meal is $168.
a. If you want to leave an 18% tip, how much money should be left as a tip?
b. You leave the tip on the table then pay the bill at the register. How much is paid at the register if there is 6% tax?
c. How much money in total have you spent by the time you leave the restaurant?

3. The 2010 Census shows that the population of New Jersey increased by 4.5%. If the 2010 population was 8,791,894, what was the population in 2000?

4. A new outfit that you would like to buy costs $110. If you have a coupon for 22% off, what is the amount of money you will save?

5. A camcorder costs a store owner $140 to purchase.
a. What is the markup percent if the store sells the camcorder for $350?
b. If the store puts the camcorder on sale for 20% off, what will be the new price? c. When there is only one camcorder left, the price is marked down an additional 15%. What is the final price?
d. If the store had just marked the original price down by 35%, would that be the same as the price you pay for the last one?