John Is 4 Times as Old as Martha

question 6

Multiple Choice

John is 4 times as old as Martha. Eight years ago the sum of their ages was sixty-nine. How old are they now?

• A)John is 88; Martha is 22
• B)John is 56; Martha is 14
• C)John is 60; Martha is 15
• D)John is 68; Martha is 17
• E)John is 76; Martha is 19

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Definitions:

Urban Sprawl

The uncontrolled expansion of urban areas into the surrounding countryside, often characterized by low-density residential housing, increased reliance on vehicles, and loss of natural land.

Acid Rain

Precipitation with a pH lower than normal, caused by atmospheric pollution from sulfur dioxide and nitrogen oxides, which damages ecosystems, buildings, and water bodies.

Deforestation

The large-scale removal of forest or tree cover, often due to agricultural expansion, logging, or mining, leading to significant environmental and ecological disruption.

Silent Spring

A landmark environmental science book published in 1962 by Rachel Carson, credited with advancing the global environmental movement.