Zara's bicycle tire has a circumference of $1.5 \mathrm{~m}$. If Zara travels $900 \mathrm{~m}$ on her bike, how many full rotations will her tire make?
(A) 900
(B) 1350
(C) 600
(D) 450
(E) 1200
Since Zara's bicycle tire has a circumference of $1.5 \mathrm{~m}$, then each full rotation of the tire moves the bike $1.5 \mathrm{~m}$ forward.

If Zara travels $900 \mathrm{~m}$ on her bike, then her tire will make $900 \div 1.5=600$ full rotations.

ANswer: (C)