Which equation is best illustrated by the picture?
A) 3(10 + 2) = 10(2) + 3(2)
B) 3(10 + 2) = 3(10) + 3(2)
C) 3(10 + 2) = 3(10) + 2
D) 3(10 + 2) = 3(2) + 10
