<PRE><B>Question 808858</B>
s = 5 hrs/garden 
swr = 1/5 = 0.2 gardens/hour
f = 8 hrs/garden 
fwr = 1/8 = 0.125 gardens/hour
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together:
1/5 + 1/8 = 13/40 gardens/hour
Answer, to do the garden together:
40/13 = 3.1 hours/garden
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