[tex]9x +30\geq 30[/tex]
Solution:
Given that,
Translate the sentence into an inequality
The sum of a number times 9 and 30 is at least - 15
Let "c" be the unknown variable
"at least" means "greater than or equal to"
From given,
sum of a number times 9 and 30 = 9x + 30
Which means,
[tex]9x +30\geq 30[/tex]
Thus the given sentence is translated into inequality