Dear Sir,

I have the following worksheet data:

A B C D

Vehicle Speedometer Mileage
1 BBN2361 9650
2 BBN2361 10600
3 BBN2631 12800 xxxxx (+B3-B1)
4 BSK1400 8500
5 BSK1400 9320
6 BSK1400 10250 xxxxx (+B6-B4)
7 BGA2367 12500
8 BGA2367 14260
9 BGA2367 16850 xxxxx (+B9-B7)

The mileage is calculated by getting the difference between the last and the
first speedometer reading of the same verhicle.

May I know if there is any formula that I can input at C1 and copy down to
get straight annswer at C3, C6 and C9 ? Other cells in column C is left
blank.


Thanks

Low



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A36B58K641