Word Problems: Area and Chance - Typing Practice Lesson
Area, probability and negative numbers
Building Fluency
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WPM
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Errors
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Progress
A rectangular garden is 12 feet long and 8 feet wide. Its area is 12 * 8 = 96 square feet, and its perimeter is 12 + 8 + 12 + 8 = 40 feet. A bag of soil covers 16 square feet, so you need 96 / 16 = 6 bags. Each bag costs $4.50, so the soil costs 6 * $4.50 = $27. Fencing costs $2 a foot, so fencing the whole garden costs $80. Altogether, the project costs $107.
Quick start
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Tip: Signs in Math
A minus sign is the same key as the hyphen. Type the spaces around + and - just as they appear.