If mary deposits $275 in principal at an interest rate of 3.2 percent, how much interest will she earn in one year

The verbal translation for the difference of m and 7 increased by 15

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

If 3x+8=3x+8 is it one solution or no solution