I assumed the question was asking how many mirrors does a lorry have that the driver needs to check, before he spots the one you can see him in?
Driver can only check one mirror at a time, 6 mirrors plus the road ahead = long time between looking in the same mirror twice.
@Khornight2 started
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I assumed the question was asking how many mirrors does a lorry have that the driver needs to check, before he spots the one you can see him in?
Driver can only check one mirror at a time, 6 mirrors plus the road ahead = long time between looking in the same mirror twice.