11 Three friends rode their bikes last week.
• Christine rode her bike 27 kilometers.
• Philip rode his bike 12 kilometers less than Christine.
Nathan rode his bike 3 times as far as Philip.
Which equation represents n, the distance in kilometers Nathan rode his bike?
A (27 + 12) = 3 = n
B (27-12) x 3 = n
C (27 - 12) 43=n
D (27+12) 3-n