We have to write the expression:
"A number n decreased by 6 and then tripled"
Step 1. A number n decreased by 6 is represented as follows:
[tex]n-6[/tex]Step 2. Tripling the previous expression we will get A number n decreased by 6 and then tripled:
[tex]3(n-6)[/tex]Answer: 3(n-6)
