10 min left will give brainliest alexa pays of a dollar for each minute she uses her pay-as-you-go phone for a call, and of a dollar for each minute of data she uses. this month, she used a total of 85 minutes and the bill was $31. which statements are true? check all that apply. a the system of equations is x + y = 31 and 7/20x+2/5y=85 b he system of equations is x + y = 85 and 7/20x+2/5y=31 c to eliminate the y-variable from the equations, you can multiply the equation with the fractions by 5 and leave the other equation as it is. d to eliminate the x-variable from the equations, you can multiply the equation with the fractions by 20 and multiply the other equation by -7. e she used 25 minutes for calling and 60 minutes for data. f she used 60 minutes for calling and 25 minutes for data. g she used 20 minutes for calling and 11 minutes for data. h she used 11 minutes for calling and 20 minutes for data.