Question

11 1/4 + 9d > 72solve the equation

Answer 1

First we need to transform into a fraction 11 1/4

`11\text{ }(1)/(4)=(45)/(4)`

the equation is

`(45)/(4)+9d>72`

then we clear d

`\begin{gathered} 9d>72-(45)/(4) \\ 9d>(243)/(4) \\ d>(27)/(4) \\ d>6.75 \end{gathered}`