 # Applications of Percent

## Presentation on theme: "Applications of Percent"— Presentation transcript:

Applications of Percent
COURSE 2 LESSON 6-7 Applications of Percent A video game costs \$ The sales tax rate is 5.5%. Find the total cost. Find the sales tax. Round to the nearest cent. 0.055 • = 1.92 Add the purchase price to the sales tax. = 36.90 The total cost is \$36.90. 6-7

Applications of Percent
COURSE 2 LESSON 6-7 Applications of Percent Use estimation to calculate a 15% tip for each amount. a. \$34.50 Round to the nearest dollar. Find 10% of the bill. 0.1 • 35 = 3.5. Find 5% of the bill. 5% is of the 10% amount. • 3.5 = 1.75 1 2 Add 10% amount and 5% amount to get 15%. = 5.25 A 15% tip for \$34.50 is about \$5.25. 6-7

Applications of Percent
COURSE 2 LESSON 6-7 Applications of Percent (continued) b. \$11.84 Round to the nearest dollar. Find 10% of the bill. 0.1 • 12 = 1.2. Find 5% of the bill. 5% is of the 10% amount. • 1.2 = 0.6 1 2 Add 10% amount and 5% amount to get 15%. = 1.8 A 15% tip for \$11.84 is about \$1.80. 6-7

Applications of Percent
COURSE 2 LESSON 6-7 Applications of Percent The bill for dinner is \$ The sales tax is 7.5%, and you want to leave a tip of about 20%. How much will you pay? Step 1   Find the sales tax. 0.075 • = The sales tax is \$1.69. Step 2   Find the tip. Round to the nearest dollar. 0.2 • 23 = Find 20% of the bill. The tip is \$4.60 Step 3   Add the tax and tip to the bill to find the total. total = food bill + tax + tip       =       = 28.87 You will pay \$28.87 for dinner. 6-7