0.02 is 1/100 of 0.2 as given in the question
Let the required decimal be x
If 0.002 is 1/100 of the unknown decimal, this can be expressed mathematically as;
0.002 = 1/100 of x
0.002 = 0.01x
Divide both sides by 0.01
0.002/0.01 = 0.01x
x = 0.002/0.01
x = 0.2
This shows that 0.02 is 1/100 of 0.2 as given in the question
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