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by ptrask on October 25th, 2006
What is an f number?
by Answerbag Staff on January 9th, 2011
| 1 person likes this
What is an f number?
by Answerbag Staff on May 30th, 2010
| 1 person likes this
using the numbers 0-9 form the fraction 2/3
by terrybuild on April 22nd, 2012
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What is the term for the shortest distance between two points?
by Answerbag Staff on May 22nd, 2010
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Do you think there should be a symbol for 'not a thing' like there is a symbol for 'nothing'?
by barradarcy on April 20th, 2012
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You're reading If it takes 5 people 7 hours to wash a wall, how long will it take 4 people?
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Comments
thank u
by illimitato_hustla on October 25th, 2006
wrong the rate that 5 people worked was 1.4hours each, so 4 people working the same rate would take 4*1.4= 5hours and 36 minutes
by nzmose on January 15th, 2010
wrong the rate that 5 people worked was 1.4hours each, so 4 people working the same rate would take 4*1.4= 5hours and 36 minutes
by nzmose on January 15th, 2010
Wrong. Each of the five people worked for seven hours (as stated in the question).
by ptrask on March 26th, 2011