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21 December, 04:32

The Russian ice breaker, yamal, can move forward through 2.3-meter-thick ice at a speed of 5.5 kilometers per hour. Write and solve a multiplication equation to find the number of hours it will take to travel 82.5 kilometers through the ice

(Remember, I'm in sixth grade, so answer so I can understand it)

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  1. 21 December, 06:45
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    The train travels at 5.5km per hour.

    We know that in x hours it will advance by x*5.5 km.

    Hence we need to solve x*5.5=82.5, hence x=82.5/5.5=15

    It will take 5 hours
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