How do you find and explain the solutions to a system of functions using a graph or table of values?

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

41/17 as a decimal rounded to the nearest hundredth

Me d is also an option but i couldn't get it in the picture