Solving inequalities? 1. -4x + 2 > 0

2. +5x > x + 4

3. 3x + 4 < 10

4. -10x + 5 -4 > 4x + 3

5. 6x + 3 < 7x - 10

6. 2x - 4 < 8x + 2

7. -3s + 3 > 3

8. 4s + 2s > 6

9. 6t < 12

10. 11x < 121

11. 3x > 36

12. 25x < 500

13. 16r < 8 (10)

14. 6s > 216

15. 8x < 64

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?