The attendance figures for Durango High were off last week. Usually there is a 97% attendance rate. However, on Monday it was 91%, on Tuesday it was 94%, on Wednesday it was 93%, on Thursday the attendance was 95%, and on Friday it was 92%. How many student- days were missed last week? (The enrollment is 1800 students.)
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
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