Decide What Values of the Variable Cannot Possibly Be Solutions $\frac { 24 } { 7 } \mathrm { hr }$

question 189

Multiple Choice

Decide what values of the variable cannot possibly be solutions for the equation.
-One maid can clean the house in 8 hours. Another maid can do the job in 6 hours. How long will it take them to do the job working together?

• A) \(\frac { 24 } { 7 } \mathrm { hr }\)
• B) \(\frac { 48 } { 2 } \mathrm { hr }\)
• C) \(\frac { 1 } { 14 } \mathrm { hr }\)
• D) \(\frac { 1 } { 48 } \mathrm { hr }\)

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Definitions:

Aversive Conditioning

A behavioral training method that uses negative stimuli to reduce or eliminate unwanted behaviors.

Exposure Therapy

A psychological treatment method that reduces fear and anxiety responses by gradually and repeatedly exposing individuals to feared objects or situations.

Behavior Modification

The use of operant conditioning techniques to change or replace undesirable behaviors with more desirable ones.

Counterconditioning

A therapy technique used to replace an undesirable response to a stimulus with a desirable one.