Help please you smart people

She can buy 4 sets of earrings.

Step-by-step explanation:

Hi again,

We know that she wants to spend less than $25 and she already spent $9.50 on a necklace, we also know that each pair of earrings costs $3.50 so we can write an inequality...

9.5 + 3.5x < 25

( 9.5 is how much she already spent, 3.5 is the cost for every earring set,  and we put a < because she wants to spend LESS than 25 not 25 or greater)

Now, solve...

9.5 + 3.5x < 25

Subtract 9.5 on both sides...

3.5x < 15.5

Divide by 3.5 on both sides...

x < 4. 43

You can't buy 4.43 sets of earrings, so the answer is simply 4. She can buy 4 sets of earrings.

Hope this helps and let me know if you need anything.

:)