Nikki gathered data about the length of time she spent listening to the radio and the number of commercials she heard. she organized the data in a scatter plot, where x represents the minutes spent listening and y represents the number of commercials. then she used the graphing tool to find the equation of the line of best fit: y = 0.338x − 1.387. based on the line of best fit, for approximately how many minutes will nikki need to listen to the radio to hear 20 commercials?
a=10
b=55
c=63
d=72