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Hard logic/maths question
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thread starter SerenadeBass Jul 14 2009 + PM | QUOTE | PERMALINK | REPORT
If Bob can swim 100 metres in the time it takes Ben to swim 90 metres, and Ben can swim 100 metres in the time it takes Bill to swim 80 metres. If Bob swam 100 metres, how far can Bill swim in the same amount of time?
MySecretLife 07/14/09 + PM | QUOTE | PERMALINK | REPORT
What kind of names are those?
MSLovelyIdiot Jul 14 2009 + PM | QUOTE | PERMALINK | REPORT
72 metres EDIT: Bob 100metres = Ben 90 metres = Bill ? (80/100)*90 = 72
SerenadeBass 07/14/09 + PM | QUOTE | PERMALINK | REPORT
MSLovelyIdiot said: "72 metres " Whaaaaaaaaaaaa? How in the world did you get that? I'm lost
MSLovelyIdiot Jul 14 2009 + PM | QUOTE | PERMALINK | REPORT
SerenadeBass said: " Whaaaaaaaaaaaa? How in the world did you get that? I'm lost" Well, what's the correct answer ?
M16nobo 07/14/09 + PM | QUOTE | PERMALINK | REPORT
M16nobohmm just figure out how far bill gets when ben swims 90 meters. the ratio of bill to ben is 8:10 so times both by 9 to get 72:90
MySecretLife 07/14/09 + PM | QUOTE | PERMALINK | REPORT
MSLovelyIdiot said: "72 metres EDIT: Bob 100metres = Ben 90 metres = Bill ? (80/100)*90 = 72" hay wanna be friends.
putiiii 07/14/09 + PM | QUOTE | PERMALINK | REPORT
Sorry, not good at mental math.
BoxofRamen 07/14/09 + PM | QUOTE | PERMALINK | REPORT
i think 90 metres cause u said If Bob can swim 100 metres in it takes Ben to swim 90 metres
SerenadeBass 07/14/09 + PM | QUOTE | PERMALINK | REPORT
MSLovelyIdiot said: "72 metres EDIT: Bob 100metres = Ben 90 metres = Bill ? (80/100)*90 = 72" Haven't been given the answer yet. That's really short working out for a 4 mark question @_@
halfness12 07/14/09 + PM | QUOTE | PERMALINK | REPORT
It doesn't matter because Michael Phelps is sitting on the sidelines laughing his ass off.
TheBellTolls4Me 07/14/09 + PM | QUOTE | PERMALINK | REPORT
100/90 (Bob/Ben) 10/9 (Bob/Ben) Simplify it more For every meter Ben swims, Bob swims 1 1/9 Meters 100/80 (Ben/Bill) .. For every meter Ben Swims, Bill swims .8 meters therefore, for every 10/9 meter Bob swims, Bill Swims .8 meters Multiply both numbers by 9 to simplify. For every 10 meters Bob swims, Bill swims 7.2 meters Multiply both numbers by 10 For every 100 meters Bob swims, Bill swims 72 meters.
MSLovelyIdiot 07/14/09 + PM | QUOTE | PERMALINK | REPORT
SerenadeBass said: " Haven't been given the answer yet. That's really short working out for a 4 mark question @_@" Well, I like to keep things short and simple =p Math is fun if you know what you're doing And yes, I did notice how geeky that sounded
Susie9187 07/14/09 + PM | QUOTE | PERMALINK | REPORT
do your hw by yourself
SerenadeBass 07/14/09 + PM | QUOTE | PERMALINK | REPORT
Susie9187 said: "do your hw by yourself" I am, I just have a few problems here and there
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