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Dee chose A as the correct answer. What was her error? Answer in a complete sentence.

Dee Chose A As The Correct Answer What Was Her Error Answer In A Complete Sentence class=

Sagot :

Number of square feet of wall painted in 1 hour is 243 square feet. Therefore, option C is the correct answer.

Given that, it takes Zach 10 minutes to paint [tex]40\frac{1}{2}[/tex] square feet of his bedroom wall.

What is the unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Here, [tex]40\frac{1}{2}[/tex] square feet = 40.5 square feet

Rate at which he paints the wall =40.5/10

= 4.05 square feet per minute

As we know 1 hour =60 minutes

Now, number of square feet

= 4.05×60

= 243 square feet

Number of square feet of wall painted in 1 hour is 243 square feet. Therefore, option C is the correct answer.

To learn more about the unitary method visit:

brainly.com/question/22056199.

#SPJ1

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