Question

PLEASE HELP ME WITH THIS
CORRECT ME IF I'M WRONG

Answer 1

B. y=28141*(1.19)⁶=79,914
C. 135000=28141*(1.19)^x
(1.19)^x=135000/28141
(1.19)^x=4.8
x*log(1.19)=log(4.8)
x=log(4.8)/log(1.19)≈9 weeks

A is correct