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Chapter 2: Q.22. (page 111)
Solve the linear equation.
The solution is.
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In the following exercises, use the Pythagorean theorem to find the length of the leg. Round to the nearest tenth if necessary.
Guillermo bought textbooks and notebooks at the bookstore. The number of textbooks was three more than twice the number of notebooks. He bought seven textbooks. How many notebooks did he buy ?
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.
In the following exercise, translate to an equation or inequality and solve.
The length of a rectangle is five feet more than four times the width. The perimeter is 60 feet.
Find the dimensions of the rectangle.
In 10 years, a bank account that paid 5.25% simple interest earned $18,375 interest. What was the principal of the account?
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