The price of a gallon of gasoline is $3.15. The price when Ryan's mother started driving was of the current price. What was the price of gasoline when Ryan's mother started driving?

Iwill give brainliest. give accurate answer, . suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?