Given the expression
[tex]-24\cdot\frac{1}{2}+16.15-4[/tex]The result for this expression is 0.15
An equivalent expression will be one that has the same result.
First expression:
[tex]24\cdot\frac{1}{2}-16.15+4=-0.15[/tex]This expression has a similar result but with negative sign so is not equivalent.
Second expression:
[tex]16.15-28.5=-12.35[/tex]This expression is not equivalent.
Third expression:
[tex]-28.5+16.15=-12.35[/tex]This expression is not equivalent.
Fourth expression
[tex]-20\cdot\frac{1}{2}+16.5=6.5[/tex]This expression is not equivalent.
Fifth expression
[tex]12.15-24\cdot\frac{1}{2}=0.15[/tex]This expression is equivalent.
The only expression that is equivalent to the given one is the 5th.