Answer:
1,524
Step-by-step explanation:
2,000 x 2%= 40
6,999 x 5%=349.95
20,999 x 5.4% = 1,133.95
40+349.95+1133.95=1,523.90
5
7n+7=42
7n=35
n=5
volume =
I think its 4.10152