University Of Maryland

lb N acre → 1 ft 2 → 1 tree → lb fert → oz fertlb N. lb fert. oz fert. acre. ft2. tree. 4) Provide canceling units according to step 1 relationships. 5) (finally, and not before) plug numbers using step 1 relationships. 6) Multiply across top; divide by what’s across the bottom. lb N. ac. ft2. lb fert. oz fert. 50. lb N. ................
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