On Monday, Abigail spent m minutes on her homework. On Tuesday, she spent 45 more minutes doing her homework than on Monday. On
Wednesday, she spent twice as much time doing her homework than on Monday. On Thursday, she spent 15 minutes less doing her homework than on Wednesday. Write an algebraic expression in simplest form that represents the total number of minutes Abigail spent doing her homework on Monday - Thursday.
The answer is 13. She has 23 coins and it equals $4.25. So, if she has 10 dimes, that would equal $1 and if she has 13 quarters, that would equal $3.25.