Colby wants to set square tiles on the top of a wooden box. The top of the box is a rectangle 7 1/2 inches long and 5 1/2 inches wide.
a. How many 1/2 inch tiles would Colby need to cover the top of the wooden box?
b. How many 1/4 inches tiles would Colby need to cover the top the wooden the box?



Answer :

You will need 82 1/4 1/2 tiles and 165 1/4 tiles 

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