Question

Jack says, "There is no rational number between 1
7
and 1
8
." Mary replies, "Yes there is, because 2
15
is between them." Is Mary right?

Answer 1

its supposed to be 1/7 and 2/15

Answer 2

yes Mary is right because,1/7 is 0.1428,1/8 is 0.125 whereas 2/15 is 0.133

Answer 3

thanks yhu must be taking the same test that i same because i got that same answer choice

Answer 4

i am not taking any test,just helping ....and welcome :)

Answer 5

actually given any two rational numbers \(r\) and \(s\) (with \(r<s\)) there infinitely many rational numbers between them. for example
\[ \frac{r+s}{2} \]