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1/8 of a number equals 2/5 ÷ 1/20. What is the number?
Let the number be x.
∴ 1/8 of x = 2/5 ÷ 1/20
= 1/8 × x
= (2/5) × (20/1)
= 40/5
= 8
∴ 1/8 x = 8
= x = 8 × 8
= 64
Hence, the required number = 64