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Chapter 2: Q. 517 (page 216)
Three-fourths of the people at a concert are children. If there are 87 children, what is the total number of people at the concert?
The total number of people at the concert is 116.
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The length of the rectangle is three times the width. The perimeter of a rectangle is 72 feet. Find the length and width of the rectangle.
If an equation has several fractions, how does multiplying both sides by the LCD make it easier to solve?
In the following exercises, find (a) the amount of the mark-up and (b) the list price.
Regina bought a handmade quilt at original cost $120 to sell in her quilt store. She marked the price up 55%. What was the list
price of the quilt?
In the following exercises, solve each inequality, graph the solution on the number line, and write the solution in interval notation.
Classify the equation as a conditional equation, an identity, or a contradiction and then state the solution:
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