square countertop

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square countertop

by mberkowitz » Sat Nov 01, 2008 9:50 am
1) A square countertop has a square tile inlay in the cente, leaving an untiled stripof uniform width around the tile. If the ratio of the tiled area to the untiled area is 25 to 39, which of the following could be the width in inches of the strip?

a) 1.5
b) 3
c) 4.5

a) a only
b) b only
c) a and b only
d) a and c only
e) a, b and c
Source: — Problem Solving |

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