In a video game, Conner scored 25% more points than Max. If c is the number of points that Conner scored and m is the number of points that Max scored, which equations are correct?

Select all that apply
A. c - m + 0.25
B. c = (1 + 0.25)m
C. c = 1.25m
D. c = m + 0.25m
E. c = m + 25

Please explain to me why the correct answers is B, C and D. What kind of math problem is this as well?