The sales tax is $49 on the purchase of a dining room set for $980. find the sales tax rate

Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills

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

Can someone explain to me how to do