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To evaluate a formula, substitute a number for the variable.
Using the formula , the area of a square with sides of length 11 ft is 120 .
Using the formula d = rt, the distance traveled by a motorcycle moving at a rate of 25 mph for 1/2 hour is 12.5 miles.
Using the formula t = 0.18b (t = tip, b = bill), the tip on a bill of $5.00 would be $.90.
A formula is a type of equation.
Formulas are used only in science.
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    subtraction equations

 ·  Multiplication equations

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 ·  Inequalities

 ·  Formulas

 ·  Two-step equations
    and inequalities


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First Glance   In Depth   Examples   Workout

Inequalities