To save money for holiday presents, a person deposits $20 in a savings account on January 1, and then deposits
an additional $20 every week thereafter until Christmas.

a. Write a sequence for the money in that savings account for the first 10 weeks of the year.

__, __, __, __, __, __, __, __, __, __,
b. Write the general term of the sequence in part a. an =

c. If there are 50 weeks from January 1 to Chrismas, how much money will be available for spending on Christmas presents?

There will be $ __ available for spending on Christmas presents.