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3 years ago

MINING A mine produces 42.5 tons of coal per hour. How much coal will the mine produce in 9.5 hours?

Mathematics

2 answers:

vladimir1956 [14]3 years ago

7 0

Given

MINING A mine produces 42.5 tons of coal per hour.

Find out the how much coal will the mine produce in 9.5 hours.

To proof

As given in the question

A mine produces 42.5 tons of coal per hour i.e in the 1 hour mine produces the 42.5 tons .

Let us assume that the coal produce in the 9.5 hours be x.

than the equation becomes

x = 9.5 × 42.5

x = 403 . 75 tons

403 . 75 tons coal will the mine produces in the 9.5 hours.

Hence proved

lisabon 2012 [21]3 years ago

7 0

Answer:

403.75 tons of coal.

Step-by-step explanation:

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