Solve the Problem. -A Rug Is to Fit in a Room So That

question 44

Multiple Choice

Solve the problem.
-A rug is to fit in a room so that a border of even width is left on all four sides. If the room is 12 feet by 15 feet and the area of the rug is 108 square feet, how wide will the border be?

• A) 3 ft
• B) 1 ft
• C) 2.2 ft
• D) 1.5 ft

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Definitions:

Independent Variable

This refers to a variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.

Control Group

In experimental research, a group of subjects that does not receive the experimental treatment, used as a baseline to compare the effects of that treatment.

Participant-observation

A qualitative research method where the researcher immerses themselves in a group or community to observe and participate in their activities, gaining insights from the inside.

Reliability

The degree to which the results of a measurement or test are consistent and repeatable under similar conditions.