How many squares with sides 1/2 inch long are needed to cover a rectangle that is 4 ft long and 6 ft wide? A. 24 B. 96 C. 3456 D. 13824 E. 14266

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neelam

  • Sep 1st, 2005
 

answer : B 
area of square=(1/2)*(1/2)=1/4 
area of rect=4*6=24=96*1/4 
that is 96 times of square area=rect area

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sridhar

  • Oct 18th, 2005
 

1ft =12 inch

4ft=48 inch,6ft=72 inch.let the no.of squares be 'x'.

(1\2)*(1/2)*x=48*72

x=2*2*48*72

x=13824

answer is D.

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phyo

  • Feb 16th, 2016
 

D. 13824

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