Is this a good background for my bf?

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

Write the function for the graph. (1.8) (0,4)

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is