# inequality

### Pet supplies makes a profit of \$5.50 per bag, if the store wants to make a profit of no less than \$5

Pet supplies makes a profit of \$5.50 per bag, if the store wants to make a profit of no less than \$5225, how many bags does it need to sell?...
Thread by: math_celebrity, Oct 12, 2016, 0 replies, in forum: Calculator Requests

### Let p be what Peter earns hourly. Peter earns less than 9 dollars an hour.

p < 9 is our inequality.
Thread by: math_celebrity, Sep 22, 2016, 0 replies, in forum: Calculator Requests

### The cost of renting a rototiller is \$19.50 for the first hour and \$7.95 for each additional hour. Ho

The cost of renting a rototiller is \$19.50 for the first hour and \$7.95 for each additional hour. How long can a person have the rototiller if the...
Thread by: math_celebrity, Sep 17, 2016, 0 replies, in forum: Calculator Requests

### 8 increased by the product of a number and 7 is greater than or equal to -18

Take this in parts: First, the phrase, "a number" means we pick an arbitrary variable, let's call it x. The product of a number and 7 is 7x. 8...
Thread by: math_celebrity, Sep 15, 2016, 0 replies, in forum: Calculator Requests

### Six less than twice a number is at least -1 and at most 1

First, the phrase a number means we choose an arbitrary variable, let's call it x. Twice a number means we multiply it by 2. 2x Six less than...
Thread by: math_celebrity, Sep 11, 2016, 0 replies, in forum: Calculator Requests

### The distance between X and 8 is less than 14

Distance implies the positive difference between 2 points. Therefore, we use absolute value: |x - 8| < 14 Note, we use less than since 14 is not...
Thread by: math_celebrity, Sep 11, 2016, 0 replies, in forum: Calculator Requests

### Carmen is serving her child french fries and chicken wings for lunch today. Let f be the number of f

Carmen is serving her child french fries and chicken wings for lunch today. Let f be the number of french fries in the lunch, and let c be the...
Thread by: math_celebrity, Sep 11, 2016, 0 replies, in forum: Calculator Requests

### 7 less than -2 times a number x is greater than or equal to 41

-2 times a number x is denoted as -2x. 7 less means we subtract, so 7 less than that is -2x - 7. Finally, that entire expression is greater than...
Thread by: math_celebrity, Sep 2, 2016, 0 replies, in forum: Calculator Requests

### Three more than 2x is greater than or equal to 1 and less than or equal to 11

This is a two-part inequality. Let's take it piece by piece. Three more than 2x means we add. 2x + 3 It's greater than or equal to 1, denoted...
Thread by: math_celebrity, Aug 31, 2016, 0 replies, in forum: Calculator Requests

### 7 less than -2 times a number x is greater than or equal to 41

-2 times a number x is denoted as -2x. 7 less than that means we subtract 7: -2x - 7 Finally, that entire expression is greater than or equal...
Thread by: math_celebrity, Aug 30, 2016, 0 replies, in forum: Calculator Requests

### Three more than 2x is greater than or equal to 1 and less than or equal to 11

This is a double inequality. Let's take it by pieces: Three more than 2x is denoted as 2x + 3. We add since we see the phrase, more than....
Thread by: math_celebrity, Aug 30, 2016, 0 replies, in forum: Calculator Requests

### 7 less than -2 times a number x is greater than or equal to 41

-2 times a number x is written as -2x. Less means subtract, so we have 7 less than this is -2x - 7. Finally, greater than or equal to is >=, so...
Thread by: math_celebrity, Aug 27, 2016, 0 replies, in forum: Calculator Requests

### The product of 8 and a number k is greater than 4 and no more than 16

Let's take this by pieces. The product of 8 and a number k is written as: 8k. Since it's greater than 4, but not more than 16, we include this...
Thread by: math_celebrity, Aug 26, 2016, 1 replies, in forum: Calculator Requests