A farmer has 3/5 of his land under cultivation, 3/4 of which is in soy beans. How much land does the farmer have if he has 270 acres of soy beans?
Let total amount of land be
Let land cultivated be
Let land for soy beans be
Substitute (1) into (2) giving:
Substitution into (3) gives:
Tip: question given in fractions so answer given in fractions.
Do not forget the units. That is a bad and very common mistake!
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