A Secretary Had Four Copy Jobs to Do for the Office

question 115

Multiple Choice

A secretary had four copy jobs to do for the office. She had exactly one ream (500 sheets per ream) of paper. She rounded to the nearest ten and decided she would be able to finish
All four jobs. If the first job needs 122 sheets, the second job uses 247, the third job uses 55,
And the fourth job needs 80 sheets, did she finish them all?

• A) no; estimation is 520
• B)yes; estimation is 490
• C) no; estimation is 510
• D)yes; estimation is 504

---

Definitions:

Protons

Positively charged particles found within an atom's nucleus.

Neutrons

Particles within an atom's nucleus that possess no electric charge and have a mass marginally higher than protons.

Crystalline Structure

A crystalline structure is a unique arrangement of atoms in a crystal, characterized by repeating patterns that extend in all three spatial dimensions.

Carbon Minerals

Minerals that contain carbon as a fundamental component, essential for the formation of life and organic compounds.