Are ratios 40, 80 and 30, 60 in proportion ?
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Answer:
ratio of 30 and 40
= 30/40=3/4=3:4
ratio of 45 and 60
=45/60=3/4=3:4
that is , 30:40=45:60
so,30,40,45,60 are in proportion
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0
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yes
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