Question 1115357
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Since Andrew works 4 times as fast as Bailey, when they work together Andrew does 4/5 of the work and Bailey does 1/5.<br>
Working together, they took 9 days to do the job.<br>
The amount of time Andrew would take working alone is {{{9/(4/5) = 9*(5/4) = 45/4}}} days.<br>
The amount of time Bailey would take working alone is {{{9/(1/5) = 9*(5/1) = 45}}} days.