SOLUTION: Jonjon can do a job in 8 hrs. His brother Paul can do the same job in 20 hrs. the brothers will do the job together with Paul working and a half times as long as Jonjon. How long w
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Question 821516: Jonjon can do a job in 8 hrs. His brother Paul can do the same job in 20 hrs. the brothers will do the job together with Paul working and a half times as long as Jonjon. How long will each brother work to complete the job together?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Jonjon's rate: 1/8 jobs per hour
Brother's rate: 1/20 jobs per hour
Jonjon works for h hours and his brother works for h/2 hours and the amount of the job, 1, will be done.
hours, maybe not what you really wanted.
They work TOGETHER?
, for some part of the work they work at their combined rate and for the rest of the work, only Jonjon works. This equation may better be what you want.
'
hours for Jonjon alone,
hours Jonjon and his brother together.
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