Acoin jar contains $10.30 in nickels, dimes and quarters. the number of dimes is three more than five times the number of nickels. the number of quarters is two less than twice the number of nickels. how many of each type of coin are there?

Which expression is equivalent to sq-80

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.