Homework, Finding Unit Rates from a graph
Name
Date
In the first 2 problems, graph the proportional relationship and then find the unit rate from the data in
the table and graphically. Use the graph paper on the back side of this sheet. Show your work!
1.
Cost to plant the shrubs
Number of shrubs planted
10
$30
25
$75
15
S45
Cups of flour
Dozens of cookies
5.25
3
3.5
2
8.75
5
In the last two problems, find the unit rate directly from the graphs given. Trace the lines and then
state the unit rate:
(
- )
20
18
///
/
Unit rate coordinates = (
/
Unit Rate =
16
14
/
12
10
8
6
4
/
, )
/
/
•
2
4
5
8
10
12
14
16
18
Nov 25-1:18 PM
l
| A A o /> rj a y
1
100
c
o
s
t
d
o
90
Un t rate coordinates = (
80
70
, )
UntRate =
60
50
40
a
r
s
30
20
10
o
5
10
15 20 25
30 35 40
45
Number of shrubs
2.
20
18
D
o
z
e
n
s
16
14
Unit rate coordinates = (
1?
10
Unit Rate =
e
6
4
0
1
2
3
4
5
6
7
8
9
Cups of Flour
Nov 25-1:33 P M
10
, )
fez.
"M ^
1
Homework: Name
Date
Find the Markup and the new price of the following:
1. original price = S80; the markup = 29%
2. Wholesale price = S250; markup is 35%
3. Original price = $5.99; markup is 200%
Find the markdown and the new price for teh following:
4. Original price is $15.00; markdown is 80%
5. O.P. = $2,500, markdown is 15%
6. O.P. = $112.50; markdown is 13%
For the following, find the % markup(increase) or the % markdown (decrease)
7. Original price = $56.00, new price is $44.80
8. Original price = $36.00, new price = $52.20
9. Original price = $950.00, new price = $617.50
10. Challenge Problem: What was the original price of an item that was discounted
35% and is now priced at $334.75?
Nov 19-3:28 PM
Homework: Gratuity, Commission, fees
Name
Date
Find the following (show all work!):
1. meal cost = $63.55, the gratuity (20%) =
2. A house costs $399,900. How much will the sellers have to pay to
sell it if the commission is 6%?
3. There is a 2.5% fee to haul away garbage. If the loading fee is $15
per pound, and the load weighs 2,100 lbs, what will the cost be to load
and what will the cost be to haul? What will the total cost be to have it
hauled away (both hauling and loading)?
4. You work for a medical device company and make $600 per week
plus 5% of sales. If you sell $35,000 worth of equipment one week, how
much will you be paid?
5. Challenge problem: If you work for the same company as listed in
Problem 4, and your total pay the next week is $1,350, how much
equipment did you sell?
Nov 24-3:17 PM
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