Word Problems for Grade 11, Problem ID: 1945

Word Problems K11Every year on my son's birthday, I put multiples of one thousand dollars in his bank account that are equivalent to his age in years.
After his 20th birthday, I stopped the deposits and he started to withdraw money according to the same rule: -$21,000, -$22,000 and so on.

How many years can he withdraw money from the account?


12 years10 years8 years14 years