A square tile has side 30cm. How many of these tiles will cover a rectangular floor of length 7.2m and width 4.2?

Assessment: JAMB UTME - Mathematics - 1989 Subject: General Mathematics

Question 1 Report

A square tile has side 30cm. How many of these tiles will cover a rectangular floor of length 7.2m and width 4.2?
Answer Details
To solve this problem, we need to find the area of the rectangular floor and divide it by the area of one tile. The area of the rectangular floor is: 7.2m x 4.2m = 30.24 m² The area of one square tile is: 30cm x 30cm = 0.09 m² Now we can divide the area of the floor by the area of one tile to get the number of tiles needed to cover the floor: 30.24 m² / 0.09 m² = 336 Therefore, 336 square tiles will cover the rectangular floor. So, the answer is 336.

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