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It costs a family $324 to buy a 10-ft-by-12-ft rectangular rug. At this rate, what is the approximate cost of a 15-ft-by-18-ft rectangular rug?

Respuesta :

matthewsmart9
$324 for a 120ft^2 rug

$2.7 for each square foot (1ft^2)

x for a 270ft^2 rug

270 x $2.7 = $729

Answer:

The approximate cost of a 15-ft-by-18-ft rectangular rug is $729.

Step-by-step explanation:

It costs a family $324 to buy a 10-ft-by-12-ft rectangular rug.

Means for [tex]10\times12=120[/tex] square feet, the cost of rug is $324

So, for 15-ft-by-18-ft or [tex]15\times18=270[/tex] square feet of rug, the cost will be =

[tex]\frac{324}{120}\times270=729[/tex]

Therefore, the approximate cost of a 15-ft-by-18-ft rectangular rug is $729.

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