The Distance Between City a and City B Is 762

question 104

Multiple Choice

The distance between city A and city B is 762 miles. A semi-truck leaves city A and travels toward city B at 49 miles per hour. At the same time, a minivan leaves city B and travels toward city A at 78 miles per hour. How long will it take the two vehicles to meet?

• A) 49 hours
• B) 55 hours
• C) 127 hours
• D) 133 hours
• E) 6 hours

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Definitions:

Immune System

The body's defense mechanism against infections, diseases, and foreign substances.

Endocrine Function

The activity of glands that secrete hormones directly into the bloodstream, regulating processes such as growth, metabolism, and mood.

Phagocytosis

A cellular process by which certain living cells called phagocytes ingest or engulf other cells or particles, often used by the immune system to remove pathogens and dead cells.

Mucous Membranes

The moist tissue layers that line various cavities in the body, such as the mouth, nose, and digestive tract, and secrete mucus.