Multiply 7x6 since when using pemdas, multiplication and division can be inverted, i.e. if multiplication is before division then you multiply and vice versa.
Hope this helps!
Let x represent the amount of money you originally had. The algebraic expression would be: x-20+3×=80.
If you want to solve the equation, it would be: 4x=100, and x=100÷4, which equals 25. So your original money was $25.
We can see that
lies just before 0,
lies between 2 and 3m and
lies between 4 and 5. So, we have

In particular, this implies that

So, the correct order would be

<h2><u><em>54 tens m8</em></u></h2><h2>54 tens m8 </h2><h2>54 tens m8</h2>