Tutor profile: Glenn F.
Simply this expression using order of operations: 4 + 7 (5-2)
4 + 7(3) so 4+21 is 25
Subject: Agricultural Science
If you want to apply 100 lbs of nitrogen per acre to a field using a fertilizer containing 20% nitrogen how much fertilizer do you need to apply per acre?
Divide the amount per acre by 0.2, so 500 lbs
Find the solution to the following equation: 5x - 3 = 17
Add 3 to both sides, so 5x = 20. Then divide both sides by 5. Then x = 4.
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