CREATE TABLE table_79422 ("Date" TEXT, "Internet Explorer" TEXT, "Firefox" TEXT, "Safari" TEXT, "Opera" TEXT)

What percentage of browsers were using Internet Explorer during the period in which 27.85% were using Firefox?
SELECT "Internet Explorer" FROM table_79422 WHERE "Firefox" = '27.85%'
SELECT "Internet Explorer" FROM "table_79422" WHERE "Firefox" = '27.85%'