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Help Math question Write ur answers
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Help Math question Write ur answers

Help Math question Write ur answers-example-1
User The Moisrex
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1 Answer

3 votes

Answer:

this can be solved by simple unitary method


time \: taken \: to \: remove \: (5)/(9) \: tons \: of \: dirt \: = 1 \: hr \\ time \: taken \: to \: remove \: (31)/(6) \: tons \: of \: dirt \: = (31)/(6) * (9)/(5) \: hr \\ = (93)/(10)hr \\ = 9 * (3)/(10) hr

User Ralf Kleberhoff
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