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19 February, 19:34

Come fast hurry fast ...

Mandana is ordering new tile for her kitchen floor. The area of the floor is 117.7 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?

132 square feet

134 square feet

140 square feet

142 square feet

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  1. 19 February, 20:55
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    140 square feet. 15% of 117.7 is 17.655 which gives a total of 135.35 and 20% of 117.7 is 23.54 which gives a total of 141.24 so 140 square feet is in the middle of these two numbers.
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