Chapter 2: Q 79 (page 113)
If an equation has fractions only on one side, why do you have to multiply both sides of the equation by the LCD
Multiplying both the sides with LCD keeps the equation balanced or equal.
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Solve the linear equation.
In the following exercises, solve each inequality, graph the solution in the number line and write the solution in interval notation.
In the following exercises, find (a) the amount of the mark-up and (b) the list price.
Tom paid $0.60 a pound for tomatoes to sell at his produce store. He added a 33% mark-up. What price did he charge his customers for the tomatoes?`
In the following exercises, use the Pythagorean theorem to find the length of the leg. Round to the nearest tenth if necessary.
The sum of three times a number and seven is twenty-five. Find the number.
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