Plan B • $40 per month buys 200 minutes. • Additional time costs $0.30 per minute. J 40 40+0.30(t- 200) if t> 200 if 0sts 200 C(t) Plan A • $30 per month buys 120 minutes. • Additional time costs $0.30 per minute. 30 30 + 0.30(t - 120) if t> 120 if 0sts120 C(1)
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.
A telephone company offers the following plans.Plan A $30 per month buys 120 minutes. Additional time costs $0.30 per minute.Simplify the algebraic expression in the second line of the
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