Question 326944
"An experienced accountant can balance the books twice as fast as a new accountant." ___ n = 2e


"Working together it takes the accountants 10 hours" ___ (10/n) + (10/e) = 1
___ they each do a FRACTION of the task, based on their individual times
___ the fractions sum to one (the WHOLE task)


substituting ___ [10/(2e)] + (10/e) = 1