Work. Do Not Solve

question 9

Multiple Choice

work. Do not solve.
-5x + 9y = -12
-4x - 4y = -32
A) Substitution B) Addition
Answer: B
Write the word or phrase that best completes each statement or answers the question.
-Anne and Nancy use a metal alloy that is 19.4% copper to make jewelry. How many ounces of an alloy that is 11% copper must be mixed with an alloy that is 25% copper to form 80 ounces of the
Desired alloy?

• A) Substitution B) Addition
• Answer: B
• Write the word or phrase that best completes each statement or answers the question.
• -Anne and Nancy use a metal alloy that is 19.4% copper to make jewelry. How many ounces of an alloy that is 11% copper must be mixed with an alloy that is 25% copper to form 80 ounces of the
• Desired alloy?
• A) 53 oz
• B) 32 oz
• C) 34 oz
• D) 48 oz

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Definitions:

Relative Price

The price of one good or service compared to another, usually considered in terms of opportunity cost.

Demand for Labor

The aggregate number of employees that employers intend and can employ at a particular rate of wages over a certain interval.

Total Product Schedule

A table or graph that shows the output produced by a firm with different quantities of variable input, holding all other inputs constant.

Market Wage Rate

The prevailing rate of pay for given types of labor in the market, determined by supply and demand.