Your answer is C: c = 2.50 + 2.50n
To get this answer I looked at the possible answers and inserted the numbers from the chart to see which fit.
C) 1/2 a cup for one serving, also the smaller one.
D) i dont know this one, but the answers for C are for sure correct
4 + 4 + 4 - 1 = 11? Was it supposed to be an equation? I am confused.
3 and 60 are the extremes while 15 and 12 are the means.