Question 616521
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Hi, 
Tom and Bill agreed to race a 50-foot pool and {{{back}}} again. (100 ft)
Tom finished in 27sec, {{{10}}} feet ahead of Bill
how long did Bill take to finish it? {{{r[B]}}} = 90ft/27sec = {{{10ft/3sec}}}
 27sec + 3sec = 30sec is the time it took Bill to finish