Question 624456
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Hi
Monica can type a proposal in 3 hours. while jose can type the same proposal in 5 hrs. 
How long{{{highlight(x)}}}would it take them to type the proposal if they work together?
Question states*** PER hr KEY
  1/3 + 1/5 = 1/x      |Multiplying thru by 15x so as all denominators = 1
     5x + 3x = 15    Solve for x