Last year, chris opened an investment account with $7800. at the end of the year, the amount in the account had increased by 24.5% how much is this
increase in dollars? how much money was in his account at the end of last year?
increase in amount=?
year end amount=?

Iwill give brainliest. 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?