Lily collects Pokemon cards. This table records the number of cards she collected last year:

MonthsNumber of cards collected
January
February
March
April
May
June
July
August
September
October
November
December

Answer the following questions:
  1. In the first quarter (January, February and March), how many Pokemon cards did Lily collect in all?
  2. In the first half of the year, how many more cards did Lily collect than in the second half?

You can earn partial credit on this problem.