Works great, thanks both of you for your help

On 6 Mar, 18:48, "David Biddulph" <groups [at] biddulph.org.uk wrote:
Select column B, Format/ Conditional Formatting/ Formula is:
=OR(AND(A1="Car1",B1<=10),AND(A1="Car2",B1<=20),AN D(A1="Car3",B1<=30))
Set your format to your preferences.
--
David Biddulph

"Dave" wrote in message

ups.com...

I have a set of data:

A B
Car1 12
Car2 19
Car1 11
Car3 31
Car1 9
Car2 22

I need column B to flash up RED if Car1 is 10 or less, Car2 is 20 or
less and if Car3 is 30 or less. I have no idea where to even start on
the formulas.

If anyone can help it would be great.