Can someone do the work for me ?

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

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers