Plsss quickly worth 20 pts
3.1 times a number is 3.379.

let x represent the unknown number.

which pair of equations are both true?

a. 3.1x=3.3793.1x=3.379 and x=1.09x=1.09

b. 3.379x=3.13.379x=3.1 and x=1.09x=1.09

c. 3.1x=3.3793.1x=3.379 and x=10.4749x=10.4749

d. 3.379x=3.13.379x=3.1 and x=10.4749x=10.4749