In Problem 10, If in the Same Amount of Time

question 3

Multiple Choice

In Problem 10, if in the same amount of time that it takes her to read 40 pages of economics and 30 pages of sociology, Martha could read 20 pages of economics and 110 pages of sociology, then which of these equations describes combinations of pages of economics, E, and sociology, S, that she could read in the time it takes to read 40 pages of economics and 30 pages of sociology?

• A) E + S = 130.
• B) + S = 50.
• C) E + S = 70.
• D) 4E + S = 190.
• E) All of the above.

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Definitions:

Net Income

The total earnings of a person or company after all expenses and taxes have been subtracted from total revenue.

IRS Method

A specific approach or set of guidelines established by the Internal Revenue Service for calculating taxes, deductions, and credits.

Mortgage Interest

The amount charged for borrowing money to purchase property, which can often be deducted from income taxes under certain conditions.

Royalties

Payments made to a rights holder, such as an author, artist, or patentee, for the use of their original work or invention.