B : 7.9......................
Answer:
7.9
Step-by-step explanation:
15 + 12 + 5 + 9 + 7 + 2 + 5
55
55 ÷ 7
7.85714285714 rounds to 7.9
4x-6x>-20+6
-2x>-14
x>7
1)x=11
2)x=9
In the picture
9% decrease
Percentage Decrease = [ (Starting Value - Final Value) / |Starting Value| ] × 100
