Today we will again focus on fractions as the key topic, as I know that for many of you it is painful.
Please work out the answers to today's questions.
A tank contains 7/30 of a litre of water. The water has to be removed by a piece of equipment that draws out the water at a rate of 3/5 of a litre per minute. How long will it take to remove all the water. Give your answer to the nearest second.
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If the tank has 7/30 of a litre in it, and we are extracting 3/5 of a litre of water every minute, we have to work out how many times 3/5 of a litre goes into 7/30 of a litre.
So the problem turns into a division one: