Let lumber units = x. Then plywood units would be 3x.
30x + 45(3x) = 16665
Solve for x, then 3x.
I hope this helps. Thanks for asking.
Snookers Lumber can convert logs into either lumber or plywood. In a given day, the mill turns out three times as many units of plywood as lumber. It makes a profit of $30 on a unit of lumber and $45 on a unit of plywood. How many of each unit must be produced and sold inorder to make a profit of $16665.
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