The first on and last one are OK, but they only have one condition.

=COUNTIF(D6:D38,”<30″) ‘ — OK

=COUNTIF(D6:D38,”<60″)-COUNTIF(D6:D38,”>29″) ‘ — counts double?

=COUNTIF(D6:D38,”<=89″)-COUNTIF(D6:D38,”>=60″) ‘ — counts double?

=COUNTIF(D:D,”>90″) ‘ — OK

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