a rectangle has length to width ratio of 4 :3 if its length is 20 cm what is its width
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heya!! mate^_^
your answer is - - - - -
4:3::20:x
4/3=20/x
cross multiplication
4x=60
x=60/4
x=15
width= 3×15
=45
your answer is - - - - -
4:3::20:x
4/3=20/x
cross multiplication
4x=60
x=60/4
x=15
width= 3×15
=45
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