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Chapter 2: Q 78. (page 113)
If an equation has several fractions, how does multiplying both sides by the LCD make it easier to solve?
Multiplying both the sides by LCD makes the variable isolated on one side of the equation.
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Classify the below equation as a conditional equation, an identity, or a contradiction, and then state the solution.
The sum of three times a number and seven is twenty-five. Find the number.
Solve the inequality. Graph the solution on the number line and write the solution in the interval notation.
Solve
In the following exercises, find (a) the amount of the mark-up and (b) the list price.
Daria bought a bracelet at the original cost of $16 to sell in her handicraft store. She marked the price up 45%. What was the list
price of the bracelet?
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