The equation which represents the situation is 13 = 2x − 5 while Bernadette ran 9 miles so option (A) will be correct.
How to form an equation?
Determine the known quantities and designate the unknown quantity as a variable while trying to set up or construct a linear equation to fit a real-world application.
Given that,
Andrew ran 5 miles less than two times the number of miles Bernadette ran.
If Bernadette ran x miles then,
13 = 2x - 5 is the correct representation.
Now,
2x - 5 = 13
2x = 18
x = 9 miles.
Hence " The number of miles that Bernadette ran is 9 miles while the equation of constraint is 13 = 2x − 5".
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