The answer is 150 parents. Because 450/3=150
She has 445 left after the bear ate some so
21 × 12 = 252
252 + 445 = 697 acorns
she should maybe bother the bear so he can't hibernate, or steal his food so he knows what it's like
151 * 5 = 755
23,000 - 755 = 22,245
It'll be worth $22,245 in 5 years.