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Chapter 3: Q. 3.8 (page 306)
The sum of three times a number and seven is 25. Find the number
The number is 6
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The width of a rectangle is six less than twice the length. The perimeter is . Find the length and width.
What is the height of a triangle with area 893 square inches and base 38 inches?
In the following exercises, solve.
Kenneth loaned his niece to buy a computer. Two years later, she paid him back the , plus interest. What was the rate of interest?
Find 鈸� the amount of mark-up and 鈸� the list price.
Jim鈥檚 music store bought a guitar at original cost $. Jim marked the price up %.
The sum of three consecutive integers is 78. Find the integers.
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