Answer
112 boards
1480 linear ft
Work Step by Step
Add to find the total number of boards.
Multiply the number of boards of each length by the length to find the linear feet for that size board. Sum to find the total linear feet.
#boards$\ \ \ \ \ \ \ $linear ft
$\ \ \ \ \overset236\times20=\overset24\overset132$
$\ \ \ \ 28\times10=280$
$\ \ \ \ 36\times8\ \ =288$
$\underline{\ \ \ \ 12}\times16=\underline{192}$
$\ \ 112\ \ \ \ \ \ \ \ \ \ \ \ \ 1480$
