SOLUTION: two crews are digging an 8-meter tunnel through marble mountain. crew A starts at the west end and digs at a rate of 9m/day. Five days later, crew B starts at the east end and digs

Question 351951: two crews are digging an 8-meter tunnel through marble mountain. crew A starts at the west end and digs at a rate of 9m/day. Five days later, crew B starts at the east end and digs at a rate of 10m/day. how many days will crew A have been working when the tunnel is finished? (round to the nearest day.)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
two crews are digging an 8-meter tunnel through marble mountain. crew A starts at the west end and digs at a rate of 9m/day. Five days later, crew B starts at the east end and digs at a rate of 10m/day. how many days will crew A have been working when the tunnel is finished? (round to the nearest day.)
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8/(9+10) =~ 0.421 days
To the nearest day, = zero (0).
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