Homework 12/17

Front

What is the formula to calculate the sale price after a discount?

Back

Sale Price = Original Price - (Original Price × Discount Rate)

Tags

CCSS.6.RP.A.3C

Front

If an item costs $14.49 and is on sale for 25% off, what is the discount amount?

Back

Discount Amount = $14.49 × 0.25 = $3.62

Tags

CCSS.6.RP.A.3C

Front

What is the sale price of an item originally priced at $14.49 with a 25% discount?

Back

Sale Price = $14.49 - $3.62 = $10.87

Tags

CCSS.6.RP.A.3C

Front

How do you calculate percent decrease?

Back

Percent Decrease = ((Old Value - New Value) / Old Value) × 100%.

Tags

CCSS.6.RP.A.3C

Front

If Seema reduced her mile time from 8 minutes to 6 minutes, what is her percent decrease in time?

Back

Percent Decrease = ((8 - 6) / 8) × 100% = 25%.

Tags

CCSS.6.RP.A.3C

Front

What is the original price of an item if the sale price is $10.87 after a 25% discount?

Back

Original Price = Sale Price / (1 - Discount Rate) = $10.87 / 0.75 = $14.49.

Tags

CCSS.6.RP.A.3C

Front

If Jan bought a sweater for $32.00 with a 25% discount, what is the discount amount?

Back

Discount Amount = $32.00 × 0.25 = $8.00.

Tags

CCSS.6.RP.A.3C

Front

What is the sale price of a sweater originally priced at $32.00 with a 25% discount?

Back

Sale Price = $32.00 - $8.00 = $24.00.

Tags

CCSS.6.RP.A.3C

Front

If Jan pays $40.00 for a sweater that costs $24.00 after discount, how much change does she receive?

Back

Change = Amount Paid - Sale Price = $40.00 - $24.00 = $16.00.

Tags

CCSS.7.EE.B.3

Front

What is a discount?

Back

A discount is a reduction in the price of an item, usually expressed as a percentage.

Tags

CCSS.6.RP.A.3C