Abag contains 18 coins consisting of quarters and dimes. the total value of the coins is 2.85$. which system of equations can be used to determine the number of quarters , q , and the number of dimes , d , in the bag

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?