cell A6 is a ratio, and favorable if less than (<) 2.5
cell C6 is the sum of individual ratings

Please help if you can fill in the blanks... How do I write this function??

I want to be able to trigger a calculation if two favorable conditions are
met. If one condition is met, AND a second condition is also met. How do I
write the condition As below is wrong:

=if(a6<2.5andc674,(c10+(c10*.10),0))

if both conditions are met, return c10+(c10*.10), if condition not met
return 0.

How do I write condition

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Sony Luvy