If 10% of m is twice the 20% of n, then m : r is equal to

1.	If 10% of m is twice the 20% of n, then m : r is equal to
A.	2 : 3
B.	0.0444444444444444
C.	4 : 1
D.	0.209722222222222
Answer» D. 0.209722222222222

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If 10% of m is twice the 20% of n, then m : r is equal to

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