Jane is saving her money in order to purchase a new racing bike. She initially saves $3 and plans to double the amount she saves each month. The bike Jane wants is $1,536 at the local bike shop. Which equation represents this situation, and after how many months, t, will Jane have enough money to purchase the bike?

A.
(3 · 2)t = 1,536; t = 9
B.
3(2)t = 1,536; t = 9
C.
3(2)t = 1,536; t = 11
D.
3(1.2)t = 1,536; t = 35