3.1 times a number is 3.379. Let x represent the unknown number. Which pair of equations are both true? 3.379x=3.13.379x=3.1 and x=10.4749x=10.4749 3.1x=3.3793.1x=3.379 and x=1.09x=1.09 3.379x=3.13.379x=3.1 and x=1.09x=1.09 3.1x=3.3793.1x=3.379 and x=10.4749x=10.4749