Consider the equation P=100(0.87)" that models the percent of caffeine in your body n hours after consumption. Find the following, to two decimal places. a) What percent of caffeine is in your body 2.5 hours after you have a cup of coffee? b) How many hours does it take for half of the caffeine to leave your body? (give answer in hours and minutes)
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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