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Chapter 2: Q 2.30 (page 116)
The sum of three times a number and seven is twenty-five. Find the number.
6 will be the number.
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Tickets for a basketball game cost \(2 for students and \)5 for adults. The number of students was three less than 10 times the number of adults. The total amount of money from ticket sales was $619. How many of each ticket were sold?
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 two consecutive integers is 77. Find the integers.
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.
Marc just bought an SUV for \(54,000. This is \)7,400 less than twice what his wife paid for her car last year. How much did his wife pay for her car?
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