It is 1/5 or 0.2
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If 20% = 4 We know that 20% x 5 = 100% So 4 x 5 = 20 So 4 is 20% of 20.
Yes, because 4 times 5 equals 20. So 4 is a factor of 20.
(4 ÷ 20) × 100 = 20%
The Greatest Common Factor (GCF) of 4 and 20 is 4.It is: 4
4, 8, 12, 16, 20,