Do you earn more money with simple interest or with compound interest? ? if u deposist your money with a saving acc

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement