Writing Inequalities
Write an inequality to represent: "She has to save at least $20"
What is x ≥ 20?
Between 3 and 10, not including 3 and 10.
3 < x < 10
-5(-8x + 2)
40x - 10
Write an inequality to represent "This room can fit at most 30 people."
x ≤ 30
Greater than 4 and less than 8.
4 < x < 8
-3 + 2(4 - 6n)
5 - 12n
You save $6 per week toward a new skateboard. You already have $28 saved and want to have at least $100. What inequality would help you find the number of weeks to save?
What is 6w+28≥100
5x - 3 > -18
x > -3
3 (-5 - 9g) - 2g
-15 - 29g
The freshman class has at most $300 to spend on key chains to purchase (and later sell as a fundraiser). It costs $50 to get the project up and running (screening fees) and then $2 per key chain. Which inequality would you use to find the number of key chains you could buy to stay within the $300 budget?
50 + 2x ≤ 300
The inequality for -2t - 10 ≥ 12
What is t ≤ -11 ?
3x + 2 < 8
closed circle on 2 pointing to the left
1/2 (20a - 4b - 16c)
10a - 2b - 8c