Idk...........................................................................................
Year 3 = 2s
Year 2 = 3 + x
Year 1 = x
s = second year
x = first year
2s = 26
s = 13
The second year they made 13 million
13 - 3 = 10
x = 10
They made 10 million the first year.
Given that x is the number of chains;
7(4+3) = 7 * 7 = 49 feet