The Gas Tank of a Certain Car Contains 17 Gal

question 81

Multiple Choice

The gas tank of a certain car contains 17 gal of gas when the driver of the car begins a trip. Each mile driven by the driver decreases the amount of gas in the tank by 0.068 gal.
A. Write a linear function for the number of gallons of gas in the tank in terms of the number of miles driven.
B. Use your equation to find the number of gallons in the tank after driving 161 mi. Round your answer to the nearest tenth of a gallon.

• A) (a) ; (b) 27.9 gal
• B) (a) ; (b) 27.9 gal
• C) (a) ; (b) 6.1 gal
• D) (a) ; (b) 10.9 gal
• E) (a) ; (b) 10.9 gal

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Definitions:

Transcription

The process by which the genetic information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA).

mRNA

Messenger RNA, a type of RNA that is transcribed from DNA and carries instructions for synthesizing proteins to the ribosomes.

Ribosome

Ribosomes are molecular machines within cells that synthesize proteins by translating messenger RNA into polypeptide chains, essential for all cellular functions.

Polypeptide Chain

A long, continuous, and unbranched chain of amino acids linked by peptide bonds that forms part of the structure of proteins.