Write the Sentence as an Equation Containing Parentheses $100 + 8 ( x - 10 ) = 170 ; x = 20$

question 61

Multiple Choice

Write the sentence as an equation containing parentheses. Solve the equation. Skate World charges $90 for 10 children and $8 for each additional child. How many children can be invited on a $170 budget? Let the number of children be x.

• A) \(100 + 8 ( x - 10 ) = 170 ; x = 20\)
• B) \(90 + 8 ( x - 10 ) = 170 ; \quad x = 10\)
• C) \(90 + 8 ( x - 10 ) = 170 ; \quad x = 20\)
• D) \(100 + 8 ( x - 10 ) = 170 , \quad x = 10\)
• E) \(90 - 8 ( x - 10 ) = 170 ; \quad x = 20\)

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Definitions:

Confirmation Bias

The inclination to seek out, understand, prefer, and remember details in a manner that validates one's existing opinions or theories.

Sunk Cost Effect

The phenomenon where a person continues an endeavor because of previously invested resources (time, money, or effort), despite potential losses.

Availability Heuristic

The availability heuristic is a mental shortcut that relies on immediate examples that come to mind when evaluating a specific topic, concept, method, or decision.

Confirmation Bias

Confirmation bias is the tendency to search for, interpret, favor, and recall information in a way that confirms one’s preexisting beliefs or hypotheses.