问2道GWD的数学题,谢谢

stevencaoy

1. During a 10-week summer vacation, was the average number of books that Carolyn read per week greater than the average number of books that Jacob read per week?

(1)Twice the average number of books that Carolyn read per week was greater than 5 less than twice the average number of books that Jacob read per week.

(2)During the last weeks of the vacation, Carolyn read a total of 3 books more than Jacob



2. From May 1 to May 30 in the same year, the balance in a checking account increased. What was the balance in the checking account on May 30?

(1) If, during this period of time, the increase in the balance in the checking account had been 12 percent, then the balance in the account on May 30 would have been $504

(2) During this period of time, the increase in the balance in the checking account was 8 percent