Matthew has a bag with 9 coins He has twice as many dimes as quarters. He has the same number of quarters and nickels. He has one penny. Each coin is worth $0.25 or less. What is the total value of Matthew's coins.

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

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same

The pet store currently has 30 hermit crabs. over the weekend they sold 15 hermit crabs. what was the inventory before the weekend's sales?