Do you guys know this.Six times the number and 30 is at least 21?

yes, it is, as long as

6x >= 21

or is that

6x+30 >= 21?

not sure just what "and" means in this context.

6n + 30 ≥ 21

To solve the inequality "six times the number plus 30 is greater than or equal to 21," we can follow these steps:

1. Let's start by defining the variable. Let's call the number "x".

2. Translate the inequality into an equation: "6x + 30 ≥ 21."

3. To isolate the variable, we need to subtract 30 from both sides of the equation: "6x + 30 - 30 ≥ 21 - 30," which simplifies to "6x ≥ -9."

4. To solve for x, divide both sides of the equation by 6: "6x/6 ≥ -9/6," which simplifies to "x ≥ -1.5."

Therefore, the solution for the inequality is x ≥ -1.5. This means any number greater than or equal to -1.5 will satisfy the inequality.