Answer :
12.
12cm already and in 12 week it will grow 12cm more so total 24cm in week
On other hand the seed will grow 2cm per week so in 12 week it will be 24 cm
12cm already and in 12 week it will grow 12cm more so total 24cm in week
On other hand the seed will grow 2cm per week so in 12 week it will be 24 cm