Question

find a number whose fourth part exceeds 7 by as much as its fifth part is less than 11

Answer 1

let be this number x
so then i ve understood it correct

\[x*\left( \frac{ 1 }{ 4 } \right) = 7 +y \]

and

\[x*\left( \frac{ 1 }{ 5 } \right) = 11 - y\]


so and now just you need solve this system of equations

hope helped