Write $495 for 30 tickets as a ratio. Then, what is the unit rate? • Determine whether forms a proportion. • Solve the proportion
Proportions • Three ounces of perfume cost $105. How much will 7 ounces of perfume cost? • On a set of blueprints, the scale is ½ inch=4 ft. Find the actual length of a room that measures 3.2 inches on the blueprint. • A tree casts a shadow 6 ft. long. At the same time a 3 ft. tall child casts a 4 ft. shadow. Find the height of the tree.
Write 60% as a fraction (in simplest form) and a decimal. • Write as a decimal and percent. • Write 1.9 as a fraction and percent.
18 is what percent of 45? • What is 74% of 110? • 23 is 20% of what number?
A $8.30 basketball has a 6% sales tax on it. How much will the total bill be? • Nate has $15.00. Can he buy a baseball that costs $13.95 plus 6% tax? • You went to dinner at BWW’s and the bill was $44.25. Tax is 7% and you had excellent service so you want to leave a 20% tip. How much is the tip? (Find the tip AFTER tax.)
How much would you save if you bought an Andrew Luck jersey that costs $65.00 but is 75% off? • A store has a pair of boots for $15.45 and has a markup of 25%. What is the selling price? • The regular price of a ring at Kay Jewlers is $595. You have $450. Can you buy the ring if it is 20% off?
You sold $575 worth of pants at the Buckle. You make 15% commission. How much did you make? • How much interest will Tim earn if he deposits $5,000 in the bank and earns 5.4% for 4 years?
You go to Target want to spend $54.50. You find a 25% off coupon in your wallet. There is a 6.5% sales tax. What was your bill after the discount and tax? • Sale Price: • Tax Amount: • Total: