Mandy had 1780 more bottle caps than ben. mandy have ben 780 bottle caps. how many bottle caps does mandy have than ben now ? answer is 220 but how to get the workings ?

Me with this one question, and i'll upvote the brainliest answer

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school