hard · GMAT Quant
A financial algorithmic trader models asset weightings using fractions of the form dfrack450, where k is a positive integer less than 450. The model requires that dfrack450 expresses as a terminating decimal and that k is not divisible by 5.
How many positive integers k < 450 satisfy both constraints?
- 9
- 40
- 44
- 49
- 50
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