Write and solve an equation to answer the question. after earning interest, the balance of a checking account is $560. the new balance is 7/3 of the original. how much interest was earned? show your work.
2.33 is the aprox number we start off with. if we got to find the original, we divide 560 by (7/3). after we estimate the divisior we get 240. 560 - 240 gives us 320. the answer could be 320.
