1.last year, there were 400 students at woodland middle school. this year, the student population will increase by 5%. what will be the schools student population this year? 2.a backpack that normally sells for $39 is on sale for 30% off. find the amount of sale price. 3. sam purchased a television for $295. the sales tax on the tv is 6.8%. find the total amount sam will pay for the television. 4. last year, they were 430 students at woodland middle school. they see year, the student population will increase by 9%.what will be the schools increase student population. 5. a sweater that normally sells for $89 is on sale for 23% off. find the amount of the discount on the sale price. 6. in may, the simons electric bill is $97. in june, it was 15% lower. what was the simons water bill in september? 7. a gallery owner purchased a very old paining for $2600. the paining sells at a 225% increase in price. what is the retail price of the painting? 8. a bike usually cost $120. the bike is on sale for $90. what is the percent change for the price of the bike? 9. mary made $320 selling lemonade this month. she gives 20% of her earnings to charity, she put 15% of earnings in a savings account. mary uses the rest of her money for entertainment how much money does mary have left for entertainment? 10. kobe average 12 points per game last season. the following season kobe average 20 points per game. what is the percent change in the amount of points kobe averaged?