Please help yall I gotta pass this test

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

Which expression will have the same sum as 3_8 + 1/4?

What is the x-intercept and y-intercept of the equation 2x+1. 2o