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Mariska was decorating her room. She arranged 63 picture tiles on a wall in the shape of a rectangle. How many rows of tiles could be on the wall?

1 Answer

Jul 14, 2018

The number of rows could be $1, 3, 7, 9, 21, 63$ $1,3,7,9,21,63$

Explanation:

The area of a rectangle is $A = l \times b$ $A = l xx b$

Find the factors of $63$ $63$ . Each factor could be the number of rows of tiles:

$63 = 7 \times 9$ $63 = 7 xx 9$

$63 = 3 \times 21$ $63 = 3 xx21$

$63 = 63 \times 1$ $63 = 63xx1$

The number of rows could be $1, 3, 7, 9, 21, 63$ $1,3,7,9,21,63$

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