Answer:
The answer is 114.1.
Step-by-step explanation:
You have to substitute the s and t value into the expression :
[tex]9.1s + 8.5t[/tex]
[tex]let \: s = 6[/tex]
[tex]let \: t = 7[/tex]
[tex]9.1(6) + 8.5(7)[/tex]
[tex] = 54.6 + 59.5[/tex]
[tex] = 114.1[/tex]
