## Mandana is ordering new tile for her kitchen floor. The area of the floor is 119.4 square feet, and she wants to order between 15% and 20% e

Question

Mandana is ordering new tile for her kitchen floor. The area of the floor is 119.4 square feet, and she wants to order between 15% and 20% extra of the materials. Which of the following is a reasonable amount of tile for Mandana to order?

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2022-02-11T08:56:03+00:00
2022-02-11T08:56:03+00:00 1 Answer
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## Answers ( )

Question:Mandana is ordering new tile for her kitchen floor. The area of the floor is 119.9 square feet, and she wants to order between 15% and 20% extra of the materials. Which of the following is a reasonable amount of tile for Mandana to order?

A.

134 square feet

B.

140 square feet

C.

137 square feet

D.

145 square feet

Answer:B. 140 square feet is a reasonable amount of tile for Mandana to orderStep-by-step explanation:Total area of the floor = 119.4 square feet

If Mandana is ordering 15% extra, the the tile will be= 119.4 + 15% 119.4

= [tex]119.4 + \frac{15}{100} \times 119.4[/tex]

= [tex]119.4 + 0.15 \times 119. 4[/tex]

= 119.4 + 17.91

=

137.31 square feetIf Mandana is ordering 20% extra, the the tile will be= 119.4 + 20% 119.4b

= [tex]119.4 + \frac{20}{100} \times 119.4[/tex]

= [tex]119.4 + 0.2 \times 119. 4[/tex]

= 119.4 + 23.88

=

143.28 square feetThus from the options134< 137<

137.31< 140<143.28< 145