6.rp.3c find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times...

6.RP.3cFind a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the whole, given part and the percent.

"I Can Solve Real-World Problems by Applying Percents to Calculate Tax, Tip, and Discount."

Use the given in formation to find the new price.

Original price: $36Discount: 30%

Use the given in formation to find the new price.

Original price: $36Discount: 30%

30 =

100 36

xdiscount $10.80

Discount:

Use the given in formation to find the new price.

Original price: $36Discount: 30%

30 =

100 36

xdiscount $10.80

Discount:

New Price:

$36.00 $10. $20 08 5.2

Use the given in formation to find the new price.

Food bill before tax: $25Sales Tax: 6%

Use the given in formation to find the new price.

Food bill before tax: $25Sales Tax: 6%

6 =

100 25

xsales tax $1.50

Sales Tax:

Use the given in formation to find the new price.

Food bill before tax: $25Sales Tax: 6%

6 =

100 25

xsales tax $1.50

Sales Tax:

Total Price:

$25.00 $1. $20 05 6.5

Use the given in formation to find the new price.

Food bill before tax: $45Tip: 15%

Use the given in formation to find the new price.

Food bill before tax: $45Tip: 15%

15 =

100 45

x tip $6.75

Tip:

Use the given in formation to find the new price.

Food bill before tax: $45Tip: 15%

15 =

100 45

x tip $6.75

Tip:

Total Price:

$45.00 $6. $55 57 1.7

Use the given in formation to find the new price.

T-Shirt Original Price: $24Discount: 20%

Use the given in formation to find the new price.

T-Shirt Original Price: $24Discount: 20%

20 =

100 24

xdiscount $4.80

Discount:

Use the given in formation to find the new price.

T-Shirt Original Price: $24Discount: 20%

20 =

100 24

xdiscount $4.80

Discount:

New Price:

$24.00 $4. $10 08 9.2

Jean Junction offers a $10 off coupon for jeans that cost $25. What is the

percent discount for the jeans?

Jean Junction offers a $10 off coupon for jeans that cost $25. What is the

percent discount for the jeans?

% 10 =

100 25

40% discount

After a 15% off sale, some jeans were $11.50. How much were the

jeans before the sale?

After a 15% off sale, some jeans were $11.50. How much were the

jeans before the sale?Since you do not know the amount of the discount or the original

price you must use the percentage spent.

100% – 15% Discount = Spent 85% of the original price

After a 15% off sale, some jeans were $11.50. How much were the

jeans before the sale?Since you do not know the amount of the discount or the original

price you must use the percentage spent.

100% – 15% Discount = Spent 85% of the original price

85 11.50 =

100 x

$13.53x

A shirt that costs $14.25 is on sale for 25% off.

a. How much is the sale price?

A shirt that costs $14.25 is on sale for 25% off.

a. How much is the sale price?

25 =

100 14.25

xdiscount $3.56

Discount:

A shirt that costs $14.25 is on sale for 25% off.

a. How much is the sale price?

25 =

100 14.25

xdiscount $3.56

Discount:

New Price:

$14.25 $3. $16 95 0.6

A shirt that costs $14.25 is on sale for 25% off.

b. If you have a coupon for an additional 10% off after the original discount what is the new sale

price?

A shirt that costs $14.25 is on sale for 25% off.

b. If you have a coupon for an additional 10% off after the original discount what is the new sale

price?

10 =

100 10.69

xdiscount $1.07

Additional Discount:

A shirt that costs $14.25 is on sale for 25% off.

b. If you have a coupon for an additional 10% off after the original discount what is the new sale

price?

10 =

100 10.69

xdiscount $1.07

Additional Discount:

New Price:

$10.69 $1. $07 9.62

A shirt that costs $14.25 is on sale for 25% off.

c. If 8% sales tax is added to the new sale price, what is the final total you will pay?

A shirt that costs $14.25 is on sale for 25% off.

c. If 8% sales tax is added to the new sale price, what is the final total you will pay?

8 =

100 9.62

xsales tax $0.77

Sales Tax:

A shirt that costs $14.25 is on sale for 25% off.

c. If 8% sales tax is added to the new sale price, what is the final total you will pay? Sales Tax:

New Price:

$9.62 $0.7 $1 97 0.3

8 =

100 9.62

xsales tax $0.77