Answer:
500
Step-by-step explanation:
If 700 is 14%, then x=100%
We do:
700=14%
x=100%
Then, we cross multiply to get
14x=7000
We divide 14 on each side, and get x=7000/14 which is x=500
So there are 500 total students in the middle school
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The fraction of winners that were women is 40/718 which simplifies to 20/359
The fraction of winners that were men is 678/718 which simplifies to 339/359
Given:
The insect population function is:

Where x is the number of weeks.
To find:
The population after 4 weeks.
Solution:
The population of insect after x weeks is given by:

We need to find the population after 4 weeks.
After substituting
, we get



The population after 4 weeks is 160. Therefore, the correct option is C.
Answer:
20:22
Step-by-step explanation:
The answer is A, its the only one that is a direct variation