Wallpaper was applied to one rectangular wall of the photographer s studio. .The dimension of the wall are shown below 42 ft by 25.5 feet .If the total cost of the wallpaper was &771.21, what was the cost of the wallpaper per square foot.

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1. (42 * 25.5) / 771.21 = \$1.39 per square foot.

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Ms. Sue

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3. It is NOT \$1.39 per square feet, it is \$0.72 per square feet.

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4. .72

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5. its 0.72

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