12k - 2k +16 you add the 2 and 10 on the first half and the 3 and 13 on the other half
A)24 boards/1 * 47.5 inch/boards * 1 ft/12in = 95 ft.
according to dimensional analysis the answer is 95 ft.
b) 95/8 is approximately 12 so 12 boards are needed.
<span>The answer to your question is l = 20 ft; w = 10 ft</span><span />
