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Chapter 5: Q. 5.51 (page 617)
Solve the system by elimination.
The solution of the given system is
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When Gloria spent 15 minutes on the elliptical trainer and then did circuit training for 30 minutes, her fitness app says she burned 435 calories. When she spent 30 minutes on the elliptical trainer and 40 minutes circuit training she burned 690 calories. Solve the system for e, the number of calories she burns for each minute on the elliptical trainer, and c, the number of calories she burns for each minute of circuit training.
Manny is making quarts of orange juice from concentrate and water. The number of quarts of water is times the number of quarts of concentrate. How many quarts of concentrate and how many quarts of water does Manny need?
In the following exercises, translate to a system of equations and solve.
Two angles are supplementary. The measure of the larger angle is five less than four 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 perimeter of a rectangular toddler play area is 100 feet. The length is ten more than three times the width. Find the length and width of the play area.
Solve a System of Equations by Elimination -
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