Respuesta :

"3 less than a number t is at most 7"

"3 less than a number t" --> [tex] t - 3 [/tex]
"is at most" --> [tex] \leq [/tex]
"7" --> [tex] 7 [/tex]

put this together and we get:
[tex] t - 3 \leq 7 [/tex]