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Zanzabum
3 years ago
15

Help Math question Write ur answers

Mathematics
1 answer:
Ad libitum [116K]3 years ago
7 0

Answer:

this can be solved by simple unitary method

time \: taken \: to \: remove \:  \frac{5}{9}  \: tons \: of \: dirt \:  = 1 \: hr \\ time \: taken \: to \: remove \:  \frac{31}{6}  \: tons \: of \: dirt \:  =  \frac{31}{6} \times  \frac{9}{5}   \: hr \\  =  \frac{93}{10}hr \\    = 9 \times \frac{3}{10} hr

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