Real Life Inequalities

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

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

Which sign means "at least"

• <

• >

• ≤

• ≥

Which sign means "at most"

• <

• >

• ≤

• ≥

Bam bought 4 mangoes and 7 guavas. The total amount she paid was at least RM 230. If 𝑥 represents the cost of each mango and 𝑦 the cost for each guava, which of the following mathematical statements represents the given situation?

• 4𝑥 + 7𝑦 ≥ 230

• 4𝑥 + 7𝑦 ≤ 230

• 4𝑥 + 7𝑦 > 230

• 4𝑥 + 7𝑦 < 230

Bam bought 4 mangoes and 7 guavas. The total amount she paid was at least 𝑃ℎ𝑝 230. If 𝑥 represents the cost of each mango and 𝑦 the cost for each guava, which of the following mathematical statements represents the given situation?

• 4𝑥 + 7𝑦 ≥ 230

• 4𝑥 + 7𝑦 ≤ 230

• 4𝑥 + 7𝑦 > 230

• 4𝑥 + 7𝑦 < 230

Sarah makes small purses (x) and big purses (y). She can make no more than 8 purses a week.
Which inequality represents the situation?

• x + y ≤ 8

• x + y ≤ 6

• 2x + 3y ≤ 6

• x + y ≤ 10

Tags

A2.ACE.3

Bam bought 4 mangoes and 7 guavas. The total amount she paid was at least $23. If 𝑥 represents the cost of each mango and 𝑦 the cost for each guava, which of the following mathematical statements represents the given situation?

• 4𝑥 + 7𝑦 ≥ 23

• 4𝑥 + 7𝑦 ≤ 23

• 4𝑥 + 7𝑦 > 23

• 4𝑥 + 7𝑦 < 23

Ashley is buying pizzas for her birthday party. She can spend no more than $60. If each pizza is $7, which of the following inequalities best represents this situation?

Which inequality matches the situation: If Thomas spends $16, he will have less than $78.

• x - 16 < 78

• x + 16 < 78

• x - 16 > 78

• x + 16 > 78