Solve the Problem by Writing a Variation Model

question 262

Multiple Choice

Solve the problem by writing a variation model. The number of days that a given number of bushels of corn will last when feeding cattle varies inversely as the number of animals. If x bushels will feed 27 cows for 10 days, how long will the feed last for 10 cows?

• A) 29 days
• B) 31 days
• C) 27 days
• D) 28 days
• E) 30 days

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Definitions:

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Triassic

A geological period that occurred approximately 252 to 201 million years ago, marking the beginning of the Mesozoic Era.

Cretaceous

The last period of the Mesozoic Era, marked by significant geological events and the extinction of dinosaurs.

Pleistocene

The geological epoch from about 2.6 million to 11,700 years ago, characterized by the last ice ages and the emergence of Homo sapiens.