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Mandy's dining room is $5\,\text{meters}$ wide and $8\,\text{meters}$ long. Mandy wants to install a new wood floor. It will cost $\(1\).\(00\) per square meter. How much will Mandy's new floor cost?

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Area and perimeter: word problems

Full solution

Q. Mandy's dining room is

5\,\text{meters}

wide and

8\,\text{meters}

long. Mandy wants to install a new wood floor. It will cost $\(1\).\(00\) per square meter. How much will Mandy's new floor cost?

Calculate Area: Step $1$ : Calculate the area of the dining room. $\newline$ Reasoning: Area = length $\times$ width. $\newline$ Calculation: Area = $8$ meters $\times$ $5$ meters = $40$ square meters.
Calculate Cost: Step $2$ : Calculate the cost of the new wood floor. $\newline$ Reasoning: Total cost = area $\times$ cost per square meter. $\newline$ Calculation: Total cost = $40$ square meters $\times$ $\$1.00$ per square meter = $\$40$ .

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