The Rate of Visitors at a Zoo Increases Steadily, Counting

question 216

Multiple Choice

The rate of visitors at a zoo increases steadily, counting from the number of days since school let out.  If on the first day of summer, the zoo welcomes 156 guests and the third day they have 192 guests, how many guests will come to the zoo after school has been out for 7 more days?

• A)252 guests
• B)112 guests
• C)408 guests
• D)282 guests

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Definitions:

Zone of Proliferation

A region in growing bone where cartilage cells are produced and divide, contributing to bone lengthening.

Zone of Calcification

A region in bone growth where cartilage cells are replaced by bone, contributing to bone hardening.

Flat Bones

Flat bones are bones whose principal function is either extensive protection or the provision of broad surfaces for muscular attachment; examples include the skull, ribs, and pelvis.

Epiphyseal Lines

Marks found on bones where growth plates, or epiphyseal plates, have ossified and closed after growth has stopped.