y 200 190 180 170 160 150 140 130 120 110 100 60 62 64 66 68 70 72 74 76 78 80 x Heights (inches) e person who is 68 inches tall weighs pounds. e person who weighs 120 pounds is inches tall. Weights (pounds)
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.



Step by step
Solved in 2 steps with 2 images









