You have to turn the 12 into 1/12 for its reciprocal. Then you do 4/9*1/12. You cancel the 4 and make it into a 1 and make the 12 into a 3. 9*3=27. So you get D: 1/27
The bacteria population will approach, but never reach, 0
Answer:
the answer is D
Step-by-step explanation:
1.5hrs =90 min
to get how fast do you run per minute divide 90 by 15 = 6
and since Jennifer runs 2 minute per second faster and Sumalee the answer is D
Step-by-step explanation:
using Pythagoras relationship
