Inequalities Representing

x is no fewer than 13

• x < 13

• x > 13

• x ≥ 13

• x ≤ 13

Which sentence represents        m > 41?

• Mary’s points, m, totaled more than 41

• Calvin ran no less than 41 miles, m

• The temperature, m, was less than 41°F

• The magazines’ cost, m, was not more than $41.

Johnny needs to make at least $100 a week. If he gets paid $15 an hour, what is the minimum amount of hours will he need to work? 
Write an inequality to represent the word problem. 

• 15X < 100

• 15X > 100

• 15X ≥ 100

• 15X ≤ 100

Michael makes 8 dollars an hour.  Which inequality could be used to find the number of hours he needs to work to earn no more than $64.

• 8h > 64

• 8h < 64

• 8h >  64

• 8h <  64

After the first 4 stops, the number of students (s) on the bus decreased by 12.  Now there are less than 30 students left.  Which inequality represents this situation.

• s + 12 < 30

• s - 12 > 30

• s - 12 < 30

• s - 12 <  30

Write an inequality to represent the situation. 
Semajay wants to mail a package for $10 at most. UPS charges an $7 flat rate plus $0.75 per pound. How many pounds of candy can he send to his friend?

• $7 + $0.75x ≤ $10

• $7 + $0.75x ≥ $10

• $7x + $10 ≤ $0.75

• $10 + $0.50x ≤$7

Write an inequality to represent the situation.
Nykerria owes her mom more than $80. She already has $20 saved and will earn $8 an hour babysitting. How many hours must she work in order to pay her mom back?

• $20 + $8x > $80

• $20 + $8x ≥ $80

• $8 + $20x > $80

• $80 + $20x > $8

Laura is going ice skating.  She has no more than $20 to spend.  To rent the skates costs $5.  Each minute she skates she pays $0.25.  Which inequality models the possible minutes she could skate?

• 5 + 0.25x < 20

• 5 + 0.25x > 20

• 5 + 0.25x ≤ 20

• 5 + 0.25x ≥ 20

The weight of an elevator cannot exceed 4000 pounds.  The people on it weigh 2500 pounds, and boxes that weigh 180 pounds each will also be loaded.

• 4000 -180x > 2500

• 2500 -180x < 4000

• 2500 + 180x ≥ 4000

• 4000 ≥ 2500 + 180x

Which compound inequality is graphed above?

• -2 ≤ x ≤ 2

• -2 ≥ x ≥ 2

• 2 < x < -2

• -2 > x > 2