Chapter 2: Q 2.18 (page 106)
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Chapter 2: Q 2.18 (page 106)
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In the following exercises, solve each inequality, graph the solution on the number line, and write the solution in interval notation.
The sum of two numbers is negative eighteen. One number is forty more than the other. Find the numbers.
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.
In the following exercises, find (a) the amount of discount and (b) the discount rate (Round to the nearest tenth of a percent if
needed.)
Hiroshi bought a lawnmower at the sale price of \(240. The original price of the lawnmower is \)300.
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