Lisa and Robert have taken the same number of photos on their school trip. Lisa has taken 3 times as many photos as Claire and Robert has taken 28 more photos than Claire. How many photos has Claire taken?
Choices:  A) 6  B) 8  C) 10  D) 12  E) 14
L = R   L = 3C   R = C + 28   3C = C + 28   C = 14   The answer is 14.
<result>E</result>
Lisa and Robert have taken the same number of photos on their school trip. Lisa has taken 3 times as many photos as Claire and Robert has taken 28 more photos than Claire. How many photos has Claire taken?