Adam descends 5 feet Multiply 5 by four and then you get 30 feet
6-4.2=1.8
The percent of change from 1982 to 1999 is:
(1.8/4.2)*100=42.86%
2x = 48, 3x = 72, 4x = 96, 6x = 144
2x + 3x + 4x + 6x = 360
15x = 360
x = 24
2x = 2(24) = 48
3x = 3(24) = 72
4x = 4(24) = 96
6x = 6(24) = 144
