In a Survey of 250 Households Regarding the Ownership of Desktop

question 55

Multiple Choice

In a survey of 250 households regarding the ownership of desktop and laptop computers, the following information was obtained: ​
130 households own only desktop computers.
​ 30 households own only laptop computers.
​ 50 households own neither desktop nor laptop computers.
​
How many households own both desktop and laptop computers?
​

• A) 40 households
• B) 80 households
• C) 100 households
• D) 10 households
• E) 90 households
• F) 81 prisoners

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Definitions:

Pollution Exposure

The condition of being subjected to or affected by pollutants in the environment, which can lead to health hazards and ecological damage.

Slumlords

Landlords who neglect the maintenance and management of their properties, often leading to substandard living conditions for tenants.

Environmental Racism

The practice of disproportionately exposing communities of color to environmental hazards and pollution.

Environmental Policy

Regulations and practices developed to protect the natural environment from harmful human activities and to manage natural resources sustainably.