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zexius
You need 20% 5 times to make 100% (20% + 20% + 20% + 20% + 20% = 100%) Therefore, if 50 is 20% of a number, you need 5 50's to find it out. (50 + 50 + 50 + 50 + 50 = 250). 50 is 20% of 250.