Tax/Discount/Commission
Equations
unit rate
100

Adam wants to buy a new pair of Air Jordan’s from his favorite store.  The shoes are $150.00.  The sales tax is 6%.  How much will Adam have to pay for his new Jordan’s?

a.$90.00

b.$6.00

c.$9.00

d.$159.00

$159 for new Jordan's

100

The table shows a proportional relationship between cups of sugar (s) and cups of flour (f).  Which equation shows the relationship between s and f?

1) f = 0.57s

2) f = 1.75s

3) f = 0.75s

4) f = 0.5s

f = 1.75s

100

The graph models the cost of renting kayaks. What does the point (4, 25) represent?

1) $25 for 4 hours

2) $4 for 25 hours

3) $4 for 25 gallons

4) $25 for 4 gallons

$25 for 4 hours

200

 Brian had a coupon for 30% off his total at Kohl’s.  If his total came to $325 before using his coupon, how much money will he save with the coupon?

a.$295.00

b.$97.50

c.$108.33

d.$335.00

He will save $97.50

200

Amelia volunteered to paint a fence at the local youth center.  She can paint 12 fence posts in 8 minutes.  Which equation represents the relationship between the number of fence posts painted (f) and number of minutes (m), assuming she works at a constant rate?

1) f = 12m

2) f = 1.5m

3) f = 4m

4) f = 8m

f = 1.5m

200

 The graph models the time it takes to travel a certain distance. Which point represents the unit rate?

1. (0 , 0)

2. (1, 75)

3. (2, 150)

4. (6, 450)

5. None of the above

(1, 75)

300

Anthony works as a realtor selling houses. He makes 5% commission on his total sales for a house.  If he sold the house for $150,000, what was his commission?

a. $9,000

b. $7,500

c. $1,500

d. $15,000

$7,500 in commission

300

The graph shows a proportional relationship.  Which equation represents the relationship between the cups of lemonade sold (c) and the profit in dollars (d)?

1) d = 5c

2) d = 2.5c

3) 5d = 2c

4) None of these

d = 2.5c

300

When x is 1, then Y is the..

Include the coordinate to represent your answer.

unit rate

(1,r)

M
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