he
12. A propeller rotates 6 times every 15
seconds. Based on this information, which of
the following could NOT be true?
A. The propeller rotates 30 times in 90
seconds.
B. The propeller rotates 24 times in one
minute.
C. The propeller rotates 18 times in 45
seconds.
D. The propeller rotates 12 times in 30
seconds.