Question Number 110783 by Aina Samuel Temidayo last updated on 30/Aug/20 | ||
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$$\mathrm{Find}\:\mathrm{the}\:\mathrm{number}\:\mathrm{of}\:\mathrm{rational}\:\mathrm{numbers} \\ $$ $$\mathrm{r},\:\mathrm{0}<\mathrm{r}<\mathrm{1},\:\mathrm{such}\:\mathrm{that}\:\mathrm{when}\:\mathrm{r}\:\mathrm{is}\:\mathrm{written} \\ $$ $$\mathrm{as}\:\mathrm{fraction}\:\mathrm{in}\:\mathrm{lowest}\:\mathrm{term}.\:\mathrm{The} \\ $$ $$\mathrm{numerator}\:\mathrm{and}\:\mathrm{demominator}\:\mathrm{have}\:\mathrm{a} \\ $$ $$\mathrm{sum}\:\mathrm{of}\:\mathrm{1000}. \\ $$ | ||
Commented bymr W last updated on 30/Aug/20 | ||
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$$\mathrm{200} \\ $$ | ||
Commented byAina Samuel Temidayo last updated on 03/Sep/20 | ||
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$$\mathrm{Thanks}. \\ $$ | ||