Inequalities in the Real World

To have a "A" in math you need to have a minimum grade of 90.

• x < 90

• x > 90

• x ≤ 90

• x ≥ 90

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.

Tags

CCSS.6.EE.B.8

Write an inequality for this situation:
You are driving, and the maximum speed limit is 55.

• s < 55
• s > 55
• s ≤ 55
• s ≥ 55

Tags

CCSS.6.EE.B.8

Which inequality matches the situation:
Wingzz airlines limits baggage to 80 pounds per person.  You pack 2 bags.  The first bag weighs 42 pounds.  How much can the 2nd bag weigh?

• x + 42 < 80
• x + 42 > 80
• x + 42 ≤ 80
• x + 42 ≥ 80

Tags

CCSS.7.EE.B.4B

Which inequality matches the situation:  A parking garage charges a $2.50 base fee plus an hourly rate of $4.00. If you have at most $12.50 to pay for parking, how long can you park?

• 2.50 + 4.00x < 12.50
• 2.50 - 4.00x > 12.50
• 2.50x + 4.00 < 12.50
• 2.50x - 4.00 < 12.50

Tags

CCSS.7.EE.B.4B

Olivia is going to the mall where she will buy a coffee for $3.00 and soaps for $4.00 each. How many bars of soap can she buy if she will spend no more than $30.00?

• more than 6 bars
• 6 bars or less
• no fewer than 6 bars
• at least 6 bars

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.B.8

 Ben and his three friends were ordering pizza. They could spend at most $26. If a large cheese pizza costs $22 and toppings are $o.65 each, how many toppings could they get? 

• 6 toppings or more
• No more than 6 toppings
• at least 6 toppings
• a minimum of 6 toppings

Tags

CCSS.6.EE.B.8

You buy a gym membership for $60 and then pay $40 each month. If you have at most $210 to spend on the membership, how many months can you use the gym? 

• more than 3 months
• at fewest 3 months
• no more than 3 months
• no fewer than 3 months

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.B.8

David saved money for a long time.  He then spent $125 on concert tickets.  He now has no less than $30 remaining.  Write an inequality for this situation.

• 30 < 125
• x - 30 < 125
• x - 125 < 30
• x - 125 ≤ 30

Tags

CCSS.7.EE.B.4B

Lea needs at least $240 to buy new headphones. She has already saved $30. She earns $14 per car that she washes.

What is the least number of cars she can wash to buy the headphones?

Write the inequality to the problem.

• 14x+30 ≥ 240

• 14x+30 ≤ 240

• 30x+14 ≥ 240

• 30x+14 ≤ 240

Tags

CCSS.7.EE.B.4B