Standardized Test Practice EXAMPLE 3 Use the formula for the area of a rectangle, A = lw, with l =...
3
Standardized Test Practice EXAMPLE 3 Use the formula for the area of a angle, A = lw, with l = 18 inches and w = nches. SOLUTION
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Transcript of Standardized Test Practice EXAMPLE 3 Use the formula for the area of a rectangle, A = lw, with l =...
Standardized Test Practice
EXAMPLE 3
Use the formula for the area of a rectangle, A = lw, with l = 18 inches and w = 11 inches.
SOLUTION
Standardized Test Practice
EXAMPLE 3
The area is 198 square inches, so the total cost is $.25(198) = $49.50.
ANSWER
The correct answer is B. A B C D
Write area formula.
Substitute 18 for l and 11 for w.
Simplify.
A = lw
= 18(11)
= 198
GUIDED PRACTICE for Example 3
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?
A B C D$40.80 $60 $81.60 $144
Gardening
ANSWER
The correct answer is D. A B C D
