if 15 % of A=20% of B,then A:B=?
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We are given, A*15/100 = B*20/100
3A/20 = B/5
15A = 20B
3A = 4B
3A/B = 4
so, A/B = 4/3 = 4:3
3A/20 = B/5
15A = 20B
3A = 4B
3A/B = 4
so, A/B = 4/3 = 4:3
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