Inequalities in Real Life

If I bought a hat for $12 and each shirt was $25. I only have $160 to spend. What's the inequality?

• 12x + 25 > 160

• 25x + 12 < 160

• 12x + 25 < 160

• 25x + 160 < 12

What is "at least 4 points" mean?

• Below 4

• Above 4

• Equal or above 4

• Equal or below 4

I bought a soda for $6.50, each snack was $3.75. I would spend at least $45. What's the inequality?

• 6.50 + 3.75x > 45

• 6.50 - 3.75x > 45

• 3.75 + 6.50x < 45

• 3.75x > 39

$2 per child (c), $6 per adult (a). We made above $30. What's the inequality?

• 2c + 6a < 30

• 6c + 2a > 30

• 6c + 2a < 30

• 2c + 6a > 30

What are all the words that mean >=?

• Equal, above, more

• Equal, below, less

• More, above

• Less, below

Which is a set of solutions for: x + 2 > 8

• {-1, 5, 12}

• {7, 13, 26}

• {6, 7, 9}

• {3,4,7}

We needed 3 ft per small plank, 5 ft per large planks. We had up to 48 ft. What's the inequality?

• 3s + 5l < 48

• 3s + 5l > 48

• 5s + 3l > 48

• 5s + 3l < 48

We had 35 inches initially, then we added 5 inches per jump. We needed more than 75 inches in the end. What's the inequality?

• 35x + 5 > 75

• 5x - 35 < 75

• 5x + 35 > 75

• 35x - 5 > 75

I had $86 total in my wallet. I spent $43 on the tickets. I wanted a cd, but they cost $14 each. How many cd's could I buy?

• 2

• 3

• 4

• 6

10 spaces were taken by the guards. Each additional person took 2 spaces away from the arena. We only had 300 spaces. How many people can be added?

• 130

• 140

• 135

• 145