Out of his monthly salary, Josh spends 37.5% on his bills, on groceries, and on transportation. If he decides to save of the remaining part, what percentage of his salary will he save? A.
10%
B.
6.25%
C.
7.5%
D.
8.75%

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.