Proportional Relationships Percent

When finding a percent of a number you should change the

percent to a decimal and then ______________

• divide

• subtract

• add

• multiply

Beth works at a car lot. This week she sells $23,200 in cars. She earns 4% commission for all the cars she sells. How much will she earn this week?

• 24,128

• 928

• 1028

• 92.8

Corie earns 3% commission. One day her sales totaled $850. What was her commission earned for the day?

• $847

• $85

• $$824.50

• $25.50

Discount Vacations is giving a 20% discount on all vacations booked in January. A vacation to Cancun costs $2400. What will be the sale price?

• $3000

• $1920

• $480

• $12,000

Griffin’s General Store is having a 30% off sale on fans. Robert paid $25 for a fan. What is the original price of the fan?

• $32.50

• $35.71

• $17.50

• $7.50

A pair of Air pods cost $140. They are on sale for 20% off the original price. How much are they after the discount?

• $28

• $112

• $114

• $280

The price of an office chair was $86. The tax rate was 6%. What was the total price for the chair including tax?

• $5.16

• $91.16

• $81.84

• $92.00

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 1/2x

• x = 1/2y

• y = 2x

• k = x

Proportional Equation

y = kx

• Proportional

• Nonproportional

Which of the equations below is proportional?

• y = 6x

• y = 3x + 2

• y = 2x + 4

• y = -2x -1