Product of 5 and a number is at least 12

Question

I don't understand how to do answer

Answer 1

Product of 5 and a number is at least 12

 

"a number" means a variable denoted "X"

 

"product" means multiply 

 

 "is at least" means greater than or equal to or  ≥ 

 

5X ≥ 12

 

X ≥ (12/5)

 

X ≥ 2.4

 

Answer 2

Let x = the unknown number.  The "product of 5 and a number" is 5x; and it equals or exceeds 12:

 

5x ≥ 12

 

x ≥ 12/5

 

x > 2 ²/₅