T
DATE
PERIOD
Homework Practice
W NAME _
,.,„. , \ Inequalities
W r i t e , solve, a n d g r a p h a n i n e q u a l i t y to r e p r e s e n t e a c h s e n t e n c e .
1. 15 is less than or equal to 9 more than 3 times
a number.
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2
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2. 10 more than 6"limes a^number is greater than
46.
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3. 18 more than 4 times a number is greater than
or equal to 38.
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4. 28 is less than 12 more than 8 times a number.
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5 . 1 1 more than 3 times a number is greater than
44.
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13
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6. 72 is greater than or equal to 9 more than 7
times a number. "^>'7»^
10
7. DOGS Obedience t r a i n i n g for dogs costs $400
plus $125 per week for food and lodging. How
many weeks can a dog stay i f its owner wants
to pay no more than $900 for the entire stay?
8. TRAVEL A chartered vacation w i l l cost Eva
$1,250 plus $45 per day for food. I f Eva wants
to spend less than $1,700, how many days c^n
she travel?
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Chapter 8
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64
Course 1
NAME
DATE
PERIOD
Problem-Solving Practice
Two-Step Inequalities
1. SHIPPING I t costs $14 plus $2 per pound
to ship an oversize item from the
factory. Write and solve an inequality to
determine how many pounds can be
shipped for $34 or less.
2. Graph the inequality you wrote for
Exercise 1.
10
11
12
pix ID
3. FURNITURE A n entertainment center
costs $300 plus $40 for each additional
shelf installed. Write and solve an
inequality to determine how many
additional shelves a customer could
install i f he^wants to pay less than
$460.
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4. Graph the inequality you wrote for
Exercise 3.
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6. Graph the inequality you wrote for
Exercise 5.
5. PUMPKINS I t costs $5 plus $2 per pound
to pick a pumpkin at the Pumpkin
Patch. Write and solve an inequality to
determine how many pounds a
pumpkin that costs $29 or less could
weigh. 5-;^
2p
10
2A
11
12
13
14
2f
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Chapter 8
65
Course 1