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Chapter 5: Q. 97 (page 611)
In the following exercises, solve the systems of equations by substitution.
The ordered pair is
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In the following exercises, translate to a system of equations and solve.
Darrin is hanging 200 feet of Christmas garland on the three sides of fencing that encloses his rectangular front yard. The length, the side along the house, is five feet less than three times the width. Find the length and width of the fencing.
In the following exercises, translate to a system of equations and solve.
Two angles are supplementary. The measure of the larger angle is four more than three times the measure of the smaller angle. Find the measures of both angles.
In the following exercises, translate to a system of equations and solve.
The sum of two numbers is . One number is 12 less than the other. Find the numbers.
In the following exercises, translate to a system of equations and solve.
A motorboat travels 60 miles down a river in three hours but takes five hours to return upstream. Find the rate of the boat in still water and the rate of the current.
In the following exercises, solve the systems of equations by substitution.
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