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Step-by-step explanation:
Answer:
160 books
Step-by-step explanation:
To find the total amount of something, when given the percent and how much value the percent is, use this

This way we get:

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Answer:
there were 60 people that are under 16 and 190 people above 16.
Answer:
Heredity is the passage of traits from parent to offspring.
Heredity material is also known as DNA.
Heredity is responsible for traits such as eye color and skin color.
Step-by-step explanation: