HELP!!!!
  • HELP!!!!
Lisa, Sue, Maria can do a job in 12 hours. If each person worked alone it would take Lisa 30hrs and Maria would take twice as long as Sue. How long would it take Maria alone?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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  • schrodinger
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HELP!!!!
  • HELP!!!!
@mathmale
HELP!!!!
  • HELP!!!!
My thought process Lisa=30 Maria=2x Sue=x. |dw:1449630709674:dw| @jim_thompson5910
jim_thompson5910
  • jim_thompson5910
you have the correct equation set up

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jim_thompson5910
  • jim_thompson5910
what I would do next is multiply both sides by the LCD, which in this case is 30x
jim_thompson5910
  • jim_thompson5910
doing that will clear out the fractions
HELP!!!!
  • HELP!!!!
Thanks! For some reason I had the LCD as 60 and I probably made a mathematical error.
jim_thompson5910
  • jim_thompson5910
well you could use 60, but you'd have to throw x in there too
jim_thompson5910
  • jim_thompson5910
but 30x is the lowest you can go in terms of the common multiple between 30, 2x and x

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