EXAMPLE 3
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Standardized Test Practice PowerPoint PPT Presentation


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EXAMPLE 3. Standardized Test Practice. SOLUTION. Use the formula for the area of a rectangle, A = lw , with l = 18 inches and w = 11 inches. ANSWER. The correct answer is B. A. B. C. D. EXAMPLE 3. Standardized Test Practice. A = l w. Write area formula. = 18 ( 11 ).

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Standardized Test Practice

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Standardized test practice

EXAMPLE 3

Standardized Test Practice

SOLUTION

Use the formula for the area of arectangle, A = lw,withl = 18inchesandw = 11inches.


Standardized test practice

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.


Standardized test practice

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


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