oneThis plural form is used for numbers like: 1
for %1$d minute
otherThis plural form is used for numbers like: everything else
for %1$d minutes
durante 1 minuto
durante %1$d minutos
for %1$d minute
for %1$d minutes
for %1$d minute
for %1$d minutes
durante 1 minuto
durante %1$d minutos
%1$d - number of minutes, %1$d may be skipped for singular if translation looks better.