Herman saves 22% of his paycheck so he can buy a new car. He earned $825 last month. How much money did Herman save for his new car?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

I'm confused on this could anyone me and show me what i need to do to solve it.

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.