ISEE Word Problems Question 286: Answer and Explanation

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Question: 286

5. Sylvester is placing square tiles on his bathroom floor. If the measurement of the floor is 15 feet wide by 21 feet long, and the area of each tile is 1 yd2, how many tiles will Sylvester need?

  • A. 18
  • B. 35
  • C. 105
  • D. 315

Correct Answer: B

Explanation:

B

First, convert the length and width from feet to yards by dividing each number by 3: the measurements are 5 yards and 7 yards. Find the area: 35 yd2. As each tile has an area of 1 yd2, 35 tiles will be needed.

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