# IF Function

#### ruthyeh

##### New Member
Hi,
I have this IF function so far - =IF(AND((B9>B8),(B9>B10)),"peak"," ")
My question is can I make it so that it basically says 'If B9 is 50% bigger than B8, and B9 50% bigger than B10'??
Please help!!

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#### njimack

##### Well-known Member
=IF(AND(B9=B8*1.5,B9=B10*1.5),"peak","")

#### gsistek

##### Well-known Member
This is for exactly 50% larger:
=IF(AND(B9=1.5*B8,B9=1.5*B10),"peak,"")

This is for 50% or more:
=IF(AND(B9>=1.5*B8,B9>=1.5*B10),"peak","")

Thank you

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