Concept explainers
How many students have braces.
Answer to Problem 26PPS
Explanation of Solution
Given:
Two out of 5 students in the ninth grade have braces and there are total 325 students in the ninth grade.
Concept Used:
Rules of Addition/ Subtraction:
- Two numbers with similar sign always get added and the resulting number will carry the similar sign.
- Two numbers with opposite signs always get subtracted and the resulting number will carry the sign of larger number.
- The product/quotient of two similar sign numbers is always positive.
- The product/quotient of two numbers with opposite signs is always negative.
Rules of Multiplication/ Division:
Calculation:
In order to find the total number of students having braces, since 2 out of 5 students have braces from a total of 325 students, so it gives
So, the total number of students having braces is
Chapter 7 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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