Linda Earns an Income of $3,000 Per Month

question 43

Multiple Choice

Linda earns an income of $3,000 per month. She saves 10 percent and spends the remainder on food, lodging, and other expenses. So far, she has managed to save $20,000. What is her disposable income per month?

• A) $20,000
• B) $3,000
• C) $2,700
• D) $3,150
• E) $450

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Definitions:

Binary Search

An efficient algorithm for finding an item from a sorted list of items by repeatedly dividing in half the portion of the list that could contain the item.

Sequential Search

A search algorithm that checks each element in a list one at a time until the desired element is found or the list ends.

Recursive Method

A method that calls itself in order to solve a problem by breaking it down into smaller, more manageable tasks.

Binary Search

A search algorithm that finds the position of a target value within a sorted array by repeatedly dividing in half the portion of the list that could contain the target, thereby reducing the search area.