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munazam

If a 12 furnaces consume 14 tones of coal. How much coal would be needed for 18 furnaces at the same rate?

If a 12 furnaces consume 14 tones of coal. How much coal would be needed for 18 furnaces at the same rate?

 

Posted in Math, asked by munazam, 3 years ago. 1208 hits.

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one furnace uses 14/12, so 18 furnaces use 14/12 times 18 coal. this is 21

Nofil  Tariq
Nofil Tariq - 3 years ago
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12/14=6/7   so 12+6=18. and 14+7=21.  21 tons of coal would be needed for 18 furnaces.

Nancita Iso
Nancita Iso - one year 1
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