Proportional Reasoning with Percents

Find the percent decrease from the first number to the second number. From 160 to 136

• 24%

• 15%

• 17.6%

• 14.8%

Tags

CCSS.6.RP.A.3C

Find the percent decrease from the first number to the second number. From 280 to 128.

• 54.3%

• 152%

• 118.75%

• 65.8%

Tags

CCSS.6.RP.A.3C

The base salary is $54,300. The commission is 2.75% of the total sales of

$950,000. Find the total earnings

Tags

CCSS.6.RP.A.3C

Patty buys a van for $15,625, the tax rate is 8.25%. What is the amount of sales tax Patty will pay?

Tags

CCSS.6.RP.A.3C

The cost x of the Smith family's meal at a restaurant is $172.65, and they tip 20%. Write an equation that could be used to calculate the tip, y, for a bill total of x dollars.

• y = 1.2x

• y = 0.2x

• y = 0.8x

• y = 1.8x

Tags

CCSS.7.EE.B.3

The markup on a video game at an electronics store is 80%. Their wholesale price was $49.50. What is the retail price to purchase the video game?

Tags

CCSS.6.RP.A.3C

A family used a professional decorator to help furnish their new home. The decorator selected the furnishings. The family paid for the furnishings, plus 4.5% tax on the purchases. The decorator's fee is 12%. The family will use the amount of the bill to find each additional amount.

Which components would the family use to write an equation to determine the total cost of the purchase, given the amount of the furnishings, x?

Select all the components of the equation.

• x

• 0.45x

• 0.045x

• x + 0.12

• 0.12x

Tags

CCSS.HSA.CED.A.3

A family used a professional decorator to help furnish their new home. The decorator selected the furnishings. The family paid for the furnishings, plus 4.5% tax on the purchases. The decorator's fee is 12%. The family will use the amount of the bill to find each additional amount.

By what percent does the cost of the furnishings increase with tax and the decorator's fee?

Tags

CCSS.6.RP.A.3C

Robert is inspecting a shipment of 22-inch pipes. The lengths of the pipes may vary by 1%. What is the range of allowable lengths of the pipes?

• 21 in. to 23 in.

• 21.78 in. to 22.22 in.

• 24.2 in. to 19.8 in.

• 20.97 in. to 23.13 in.

Tags

CCSS.6.RP.A.3C

How much would the tip be if you left 18% on a $75.45 steak dinner?

• $ 13.58

• $ 89.03

• $ 61.87

• $135.80

Tags

CCSS.6.RP.A.3C