Answer: "Three times the sum of 8 and 4":[tex]3\times (8+4)[/tex]
Explanation:
In the question we have asked that what will be the mathematical expression for the " three times the sum of 8 and 4".
We have asked with 'Three times the sum of 8 and 4' which means that adding the sum of number '8' and number '4' by three times.
We can write 'Three times the sum' mathematically as '3 [tex]\times (\text{sum of numbers})[/tex]'.
We can write 'sum of 8 and 4' mathematically as '[tex]8+4[/tex]
So the final expression comes out to be: [tex]3\times(8+4)[/tex]
