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This guide explains how to calculate the cost of planting daffodil bulbs in a rectangular garden. Using the area formula (A = lw) with given dimensions (length = 12 feet, width = 5 feet), we find the area of the garden. The area calculates to 60 square feet. Given the cost of planting is $2.40 per square foot, the total cost for planting will be $144. The guide also helps in understanding and applying the area formula effectively for practical gardening scenarios.
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EXAMPLE 3 Standardized Test Practice SOLUTION Use the formula for the area of arectangle, A = lw,withl = 18inchesandw = 11inches.
ANSWER The correct answer is B. A B C D EXAMPLE 3 Standardized Test Practice A = lw Write area formula. = 18(11) Substitute 18 for land 11 for w. = 198 Simplify. The area is 198square inches, so the total cost is$.25(198) = $49.50.
2. WHAT IF? A gardener determines the cost of planting daffodil bulbs to be $2.40 per square foot. How much will it cost to plant daffodil bulbs in a rectangular garden that is 12 feet long and 5 feet wide? $60 $40.80 $81.60 $144 A B C D ANSWER The correct answer is D. A B C D for Example 3 GUIDED PRACTICE Gardening