This is my hw and it is due at 7!

1. 60% (decrease by 40%)

3. 30% (decrease by 70%)

5. 250% (Increase by 150%)

7. 40% (Decrease by 60%)

9. 171.4% (increase 71.4%)

11. 152.6% (Increase by 52.6%)

Step-by-step explanation:

1. 20x = 11 = 0.55 rounds to 0.6 => 60%

3. 56 x = 14 = 0.25 rounds to 0.3 => 30%

5. 18x  = 45 = 2.5 => 250%

7. 126x = 48 = 0.38 rounds to 0.4 => 40%

9. 42x = 72 = 1.714 => 171.4%

11. 95x = 145 = 1.526 => 152.6%

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24