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Mathematics 20 Online
OpenStudy (anonymous):

A rectangle has an area of 150 m². If one side is 25 m, then the length of the adjacent side is how long?

OpenStudy (anonymous):

How do you calculate the area of a rectangle usually?

OpenStudy (anonymous):

15

OpenStudy (anonymous):

6

OpenStudy (anonymous):

= length x witdth,

OpenStudy (anonymous):

jothi HOW? this is about helping not answering.

OpenStudy (anonymous):

area=length*width given length then width=area/length=150/25=6

OpenStudy (anonymous):

yeah but somehow these are not options.

OpenStudy (anonymous):

what are the options

OpenStudy (anonymous):

jothi could you take time to explain the transformation of the equation ? Otherwiise great answer ! My money is on 6 metres.

OpenStudy (anonymous):

i figured it out! it was 6 (:

OpenStudy (anonymous):

I'm with you Abbey

OpenStudy (anonymous):

plz explain Two pipes A and B can separately fill a cistern in 24 and 32 minutes respectively. They started to fill a cistern together, but B is turned off after few minutes and A fills the rest of the cistern. If total time taken is 18 minutes, after how many minutes is tap B turned off?

OpenStudy (anonymous):

WOw that question is worth a thread on its own !

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