Concept explainers
To determine the number of students marching in the band.
Answer to Problem 51E
71
Explanation of Solution
Given:
One sixth of the girls and two sevenths of the boys in a school marching band are in the percussion section.
Calculation:
Let the number of girls in the marching band be x and the number of boys in the marching band be y .
There are 6 girls in the percussion band, which is one sixth of the total number of girls in the marching band.
There are 10 boys in the percussion band, which is two sevenths of the total number of boys in the marching band.
Thus, the total number of students in the marching band is the total number of boys and girls in the band.
Conclusion:
Therefore, there are 71 students in the marching band.
Chapter 1 Solutions
BIG IDEAS MATH Algebra 1: Common Core Student Edition 2015
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