Question

http://prntscr.com/5htrnl

Answer 1

Paid 100 per week PLUS $3 per sale.

You want your pay to be AT LEAST $160

Answer 2

So can you write an inequality using that?

Answer 3

idk How.

Answer 4

It says you're paid:

100 per week PLUS $3 a sale.

Is that addition or subtraction?

Answer 5

Addition.

Answer 6

Yep.

$3 a sale would be 3x

So we have:

100 + 3x so far..

Answer 7

Then it says 'you want your pay to be AT LEAST 160'.

So is 'at least 160' less than or equal to 160, or is it greater than or equal to 160?

Answer 8

?

Answer 9

'at least 160'

Is that \(\ge\) or \(\le\)?

Answer 10

Hint: At least 160 also means '160 or more'

Answer 11

\(\ge\) is the 'greater than or equal to' sign
\(\le\) is the 'less than or equal to' sign

Answer 12

So which sign is it going to be? @Rainbow_dashie

Answer 13

i know

Answer 14

how to make the sign

Answer 15

You don't have to, just say 'greater than or equal to' or 'less than or equal to'.

Or just type this code:

```
\(\ge\)
```
For the greater than or equal to sign

and

```
\(\le\)
```
For the less than or equal to sign

Answer 16

\(\ge\)

Answer 17

Yep, you got it!

So our equations is:

\(100 + 3x \ge 160\)

Answer 18

Okay, so that leaves us with option B and D, for option B, let's plug in x = 18.

\(100 + 3(18) \ge 160\)

\(100 + 54 \ge 160\)

Can you add 100 + 54?

Answer 19

154

Answer 20

Yes, that gives us:

\(154 \ge 160\)

But this is FALSE because 154 isn't greater than or equal to 160, so Option B is incorrect.

Let's plug in x = 20:

\(100 + 3(20) \ge 160\)

\(100 + 60 \ge 160\)

Can you add 100 + 60?

Answer 21

160

Answer 22

Yep, that gives us:

\(160 \ge 160\)

This is true because 160 is greater than or equal to 160. So D is your answer.

Answer 23

thx!