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Chapter 2: Q. 292 (page 167)
Suppose you have six quarters, nine dimes, and four pennies. Explain how you find the total value of all the coins.
The total value of the coins 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.
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.)
Larry and Donna bought a sofa at the sale price of \(1,344. The original price of the sofa was \)1,920.
The length of a rectangle is 12 cm more than the width. The perimeter is 74 cm. Find the length and the width.
At the campus coffee cart, a medium coffee costs \(1.65. MaryAnne brings \)2.00 with her when she buys a cup of coffee and leaves the change as a tip. What percent tip does she leave?
The measure of one angle of a right triangle is 30 more than the measure of the smallest angle. Find the measures
of all three angles.
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