D771-Quantitative Literacy
Ratio
Relates two amounts
Unit
relates a value to a specific quantity of a thing
Rate
a word used for a ratio that relates values with different units
Example: when a school compares the number of students to the number of classrooms
Growth Models
measures population growth around us
Example:
the growth of deer in PA
Slope
indicates how much the line goes up by whatever units are being measured
Constant
A value that does not change
Coefficient
A number multiplied by a variable in an algebraic expression.
Variable
A factor that can change
Operator
a mathematical sign to tell someone what type of mathematical operation will be completed
Y-Intercept
Where the line crosses the Y axis
Exponent
a number that tells you how many times a base number is being multiplied
Percent
a function involving hundredths
Calculate the total percent
Part = Percent x Total
Markups or Sales tax
Markup = percent markup x cost
Calculating the cost from the percent markup and retail price
retail price = cost x (1+ percent markup)
Debt
money owed by a borrower to a lender
Interest
a percent paid by a borrower to a lender each year
