Percent IncreasePercent Increase

SWBAT find the percent increase; SWBAT find the percent increase; find the profit; find the selling price find the profit; find the selling price

for an item sold at a profitfor an item sold at a profit

DefinitionsDefinitions

Percent increase Percent increase How much an original amount is increasedHow much an original amount is increased

Cost Cost The original amount spent on an itemThe original amount spent on an item

Profit Profit The money gained when an item is sold The money gained when an item is sold

above the cost above the cost

Selling price Selling price The amount for which the item is soldThe amount for which the item is sold

ThinkThink

The 7th grade class had a total value of The 7th grade class had a total value of $190 in their class fund last year. This $190 in their class fund last year. This year they have a total value of $630. year they have a total value of $630. What percent increase was there between What percent increase was there between the two years?the two years?

ExamplesExamples

From 12 to 15From 12 to 15

From 0.3 to 0.66From 0.3 to 0.66

Cost: $48.60Cost: $48.60 Percent profit: 25%Percent profit: 25%

Cost: $124Cost: $124 Percent profit: 6.25%Percent profit: 6.25%

An antique car dealer made a profit of An antique car dealer made a profit of 18% on a car that cost $40,000. How 18% on a car that cost $40,000. How much did he sell the car for?much did he sell the car for?

ExamplesExamples

From 15 to 22From 15 to 22

From 20 to 85From 20 to 85

Cost $46.58Cost $46.58 percent profit: 20%percent profit: 20%

Cost $12.10Cost $12.10 percent profit: 40%percent profit: 40%

A CD costs $10 and sells at a profit of A CD costs $10 and sells at a profit of 20%20%

Try TheseTry These

From 40 to 45From 40 to 45 45-40=545-40=5 5/40 = x/1005/40 = x/100 500 = 40x500 = 40x X = 12.5%X = 12.5%

Cost: $92.50Cost: $92.50 Percent profit: 9.2%Percent profit: 9.2% x/92.50 = 9.2/100x/92.50 = 9.2/100 100x = 851100x = 851 X = $8.51X = $8.51