Find-the-number-of-rational-numbers-r-0-lt-r-lt-1-such-that-when-r-is-written-as-fraction-in-lowest-term-The-numerator-and-demominator-have-a-sum-of-1000-

Question Number 110783 by Aina Samuel Temidayo last updated on 30/Aug/20

Find the number of rational numbers

r, 0 < r < 1, such that when r is written

as fraction in lowest term . The

numerator and demominator have a

sum of 1000 .

Commented by mr W last updated on 30/Aug/20

200

Commented by Aina Samuel Temidayo last updated on 03/Sep/20

Thanks .