Solving Inequalities with Variables

5x+10>10x

• x>0

• x>20

30b + 53 ≥ 18b − 83

• b≥−11.3333

• b≥-14 2/3

• b>8

• -b<12

54x + 64 ≥ 49x + 59

• x≥−1

• x≤-1

• x>9

• x<-3

Solve:
11x + 16 < 43 + 2x

• x < 5

• x < 3

• x > 5

• x > 3

Yellow Cab Taxi charges a $1.75 flat rate in addition to $0.65 per mile.  Katie has no more than $10 to spend on the taxi ride.

• 1.75 + 0.65m < 10

• 1.75 + 0.65m > 10

• 1.75m + 0.65 < 10

• 1.75m + 0.65 > 10

Tags

CCSS.7.EE.B.4B

Twice a certain number, increased by 5, is less than three times the same number.

• 2x + 5 > 3x

• 2x + 5 < 3x

• 2x + 5 ≤ 3x

• 2x + 5 ≥ 3x

Tags

CCSS.7.EE.B.4B

Which inequality is represented by the words " at least"?

• <

• >

• ≤

• ≥

Tags

CCSS.6.EE.B.8

Renting games online from Netwii costs $3.33 per game  with no monthly fee.  Renting games online from HDO costs $2.00 per game plus a monthly fee of $10.00.
Which inequality represents the situation when the monthly cost at Netwii is more than the monthly cost at HDO?

• 3.33v > 2v + 10

• 3.33v + 10 > 2v 

• 3.33v < 2v + 10

• 3.33v + 10 < 2v

Tags

CCSS.7.EE.B.4B

The inequality shown below represents fees for two different apartments. 500x + 700 < 650x + 200 Which situation below does this inequality represent?

• Apartment A charges a $700 deposit and then $500 per month. Apartment B is equal to Apartment A charging $650 per month with a $200 deposit.

• Apartment A charges a $700 deposit and then $500 per month. Apartment B is greater than Apartment A charging $650 per month with a $200 deposit.

• Apartment A charges a $700 per month and then $500 deposit. Apartment B is greater than Apartment A charging $650 deposit with $200 per month.

• Apartment A charges a $700 deposit and then $500 per month. Apartment B is less than Apartment A charging $650 per month with a $200 deposit.

Tags

CCSS.7.EE.B.4B

Papaya charges $5 per DVD rental and a $10 membership fee.  Hutto charges $2 per DVD and a $60 membership fee.  Which inequality best represents when the charges from Papaya is less than Hutto?

• 10 + 5d < 60 + 2d

• 10 + 5d > 60 + 2d

• 10d + 5 < 60d + 2

• 12d > 70

Tags

CCSS.7.EE.B.4B