11 Plus Exams Forumhttps://www.elevenplusexams.co.uk/forum/11plus/ Help Pleaseeeeeeeeehttps://www.elevenplusexams.co.uk/forum/11plus/viewtopic.php?f=2&t=58022 Page 1 of 1

 Author: fluffygirl_27 [ Mon May 20, 2019 9:23 pm ] Post subject: Help Pleaseeeeeeeee Can you please help with this question ??A rectangular container measures 15m long, 9m wide and 6m high . A tap is turned on at a rate of 5m cubed per minute . At the same time the water in the container is released through another tap at a rate of 2m cubed per minute . What will the water level in the container be after 45 minutes??

 Author: sunandcloud [ Mon May 20, 2019 9:55 pm ] Post subject: Re: Help Pleaseeeeeeeee ❗️❗️❗️❗️ water in: 5m^3/min water out: 2m^3/minso water remains 5-2 -> 3m^3/minafter 45mins, water remains 45 x 3 = 135 m^3The container's volume = 9m x 15m x height (m) =135 m^3Thus, the water level is 1m high.

 Author: fluffygirl_27 [ Tue May 21, 2019 8:07 pm ] Post subject: Re: Help Pleaseeeeeeeee ❗️❗️❗️❗️ sunandcloud wrote:water in: 5m^3/min water out: 2m^3/minso water remains 5-2 -> 3m^3/minafter 45mins, water remains 45 x 3 = 135 m^3The container's volume = 9m x 15m x height (m) =135 m^3Thus, the water level is 1m high.Thank you very much ,makes a lot of sense now❗️❗️

 Author: yoyo123 [ Wed May 22, 2019 10:03 am ] Post subject: Re: Help Pleaseeeeeeeee I find it always helps to draw diagrams with questions like this.Look at what information you have (it’s sometimes hidden in the wording) and then use that to find the missing bit.

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