Aspect ratio

Determine the ratio of the length to the width of a picture frame that is 12 3/4 inches long and 8 1/2 inches wide.

Correct answer:

r =  3:2

Step-by-step explanation:

a=1234=12+34=12 4+34=514=12.75 in b=812=8+12=8 2+12=172=8.5 in  r=a/b=12.75/8.5=32=112=1.5=3:2



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