If Y Is Directly Proportional to X , and Y

question 164

Multiple Choice

If y is directly proportional to x , and y = 225 when x = 200, find the value of y when x = 64.

• A) y = 82
• B) y = 69
• C) y = 74
• D) y = 72
• E) y = 67

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Definitions:

Periodic Table

A tabular arrangement of chemical elements, organized on the basis of their atomic numbers, electron configurations, and recurring chemical properties.

Rock-forming Minerals

Minerals that make up a significant part of the Earth’s crust, playing a key role in the formation of rocks.

Argonites

A misspelling or incorrect term for aragonite, which is a carbonate mineral, one of the two most common, naturally occurring, crystal forms of calcium carbonate, CaCO3 (the other being calcite).

Carbonates

Rocks or minerals that contain abundant carbonate.